Answer: The process of photosynthesis is commonly written as: 6CO2 + 6H2O → C6H12O6 + 6O2. This means that the reactants, six carbon dioxide molecules and six water molecules, are converted by light energy captured by chlorophyll (implied by the arrow) into a sugar molecule and six oxygen molecules, the products.
hope this helps!
Answer:
6CO2 + 6H2O → C6H12O6 + 6O2
Explanation:
If a reaction is second-order with respect to a particular reactant, when the concentration of that reactant is increased by a factor of 4, the reaction rate will _____
Answer:
A reaction is second order with respect to a reactant.
Rate =k[A]
2
(i) If the concentration of the reactant is doubled, the rate of reaction becomes 4 times .
(ii) If the concentration of the reactant is reduced to half, the rate of reaction becomes one fourth.
Explanation:
If a reaction is second-order with respect to a particular reactant, when the concentration of that reactant is increased by a factor of 4, the reaction rate will increased by factor 16.
How do we calculate the rate of second order reaction?Rate of the second order reaction will depends on the concentrations of one second-order reactant or two first-order reactants as:
Rate(1) = k[A]²
If the concentration of reactant becomes 4 times the initial concentration then rate will be:
Rate = k[4A]²
Rate(2) = 16k[A]²
Rate(2) = 16Rate(1)
Hence rate will increased by 16 times.
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4. How many atom are in
C3H5(NO3)3
Answer:
carbon = 3
hydrogen=5
nitrogen=3
Oxygen=9
List five factors that can affect levels of dissolved oxygen in water:
Answer:
Aquatic life
Elevation
Salinity
Temperature
Explanation:
Aquatic life- animals living in water use up dissolved oxygen.
Elevation- the amount of oxygen in elevation increases.
Salinity- Salty water holds less oxygen than fresh water.
Temperature- cold water holds more dissolved oxygen than warm water.
what is the difference between melting point and boiling point?
The melting point is the temperature a substance must reach to go into its liquid phase (or solid) and a boiling point is the temperature a substance must reach to go into its gas phase (or liquid). For example, water must be 0ºC to melt or freeze and 100ºC to boil.
What is qualitative and quantitative?
Answer:
Quantitative data refers to any information that can be quantified, counted or measured, and given a numerical value. Qualitative data is descriptive in nature, expressed in terms of language rather than numerical values
Explanation:
:)
What mass of glucose can be produced from photosynthesis reaction using 10.0 mols co2
Answer:
300.06 grams of glucose can be produced from a photosynthesis reaction that occurs using 10 moles of carbon dioxide.
Explanation:
How many grams of sodium hydroxide (NaOH) do you need to get rid of 3000 grams of CO2? Don't worry about sig figs for this question.
Answer:
It would require 80 g of NaOH .
Explanation:
chinua reacts 37g of magnesium with 150g of sulfuric acid. what will be the total mass of the products of this reaction
the total mass is 187g. The total mass of the reactant is always equal to total mass of the products.
explanation:
as per the given details, the reactant involved in the reaction are 37g of magnesium and 150g of sulfuric acid . the total of the reactant is 187g.
What is the meaning of N, E, M, and S in periodic table Need ASAP!
Answer:
Molybdenum is M, Einsteinium is E, and N is Nitrogen. Lastly, S is sulfur.
C + 2H2
CH4
For the reaction shown here, predict how many moles of methane can be produced from 72 grams of carbon in the presence of excess hydrogen gas.
A) 1
B) 2
C) 4
D) 6
Answer:
D
Explanation:
12g of carbon produces....... 1 mole of methane
72g of carbon will produce..1÷12 × 72 = 6moles
When two heterozygous parents are crossed (Aa X Aa), what percent of the offspring will have a dominant phenotype?
75% dominant and 25% resistive
5. Summarize: What do you think would happen to the convection currents in the atmospheres and
along the coastlines if the surface of the Earth warmed up? Do you think this could have any affect
on the convection in the mantle? Why or why not? Your answer should be at least 3 sentences in
length,
Answer:
Explanation:
Image result for Summarize: What do you think would happen to the convection currents in the atmospheres and along the coastlines of the surface of the Earth warmed up? Do you think this could have any affect on the convection in the mantle? Why or why not? Your answer should be at least 3 sentences in length,
As the magma cools and solidifies, the convection currents will stop and the Earth will become geologically dead.
In the kinetic molecular theory of gas behavior, the assumption is made that gas molecules:.
Answer:
In the kinetic molecular theory of gas behavior; the assumption is made that gas molecules move with a kinetic energy equal to their centigrade temperature_ move rapidly in random directions: are close together in their container which exerts pressure_ are attracted to each other by strong forces.
Explanation:
what are 2 of the characteristics of temporary physical change
Answer:
Temporary in nature.
No new substance is formed.
Explanation:
Temporary in nature: Does not affect the internal structure of a substance, only the molecules are rearranged.
No new substance is formed: Most of the physical changes are reversible. We can obtain the substance back even after the change.
hope this helps
have an awesome day -TJ
Answer:
Doesnot affect the internal structure of the substance.no new substance is formed.temporary in nature...Determine the empirical formula of a compound containing 48. 38 grams of carbon, 6. 74 grams of hydrogen, and 53. 5 grams of oxygen.
In an experiment, the molar mass of the compound was determined to be 180. 15 g/mol. What is the molecular formula of the compound?
For both questions, show your work or explain how you determined the formulas by giving specific values used in calculations
Answer:
I recently answered this question. The response I submitted is included below. I beleive my answer should be correct.
Explanation:
Question 1:
C: 48.38g(1mol/12g) = 4.0317
H: 8.12g(1mol/1.01g) = 8.12
O: 53.5g(1mol/16g) = 3.34375
Divide by the smallest amount (3.34375)
C = 4.0317/3.34375 = 1.206 = 1
H = 8.12/3.34375 = 2.42 = 2
O = 3.34375/3.34375 = 1
Empirical formula = CH2O
Question 2:
Molecular formula = n(empirical formula)
n = molar mass (compound)/molar mass (empirical)
Empirical formula: CH2O
Molar mass of CH2O = 12 + 2x1 + 16 = 30 g/mol
Molar mass of compound: 180.15 g/mol
[tex]n=\frac{180.15g/mol}{30g/mol}= 6[/tex]
Molecular formula = C6H12O6
Please help!!!!!!!!!!!!!!!!!!!!!!!!
Need help ASAP.
Based on the equation of the reaction and the limiting reactant of the reaction, molarities of the ions are determined from the amount in moles of excess reactants and soluble products formed.
What is the limiting reactant in the reaction?The limiting reactant is he reavtant that is used up in the reaction after which the reaction stops.
The limiting reactant is obtained from the mole ratio of the reactants in the equation of the reaction.
Equation of reaction is given as follows:
3 AgNO3 (aq) + Na3P (aq) ----> Ag3P (s) + 3 NaNO3 (aq)Molar mass of AgNO3 = 170 g/mol
Molar mass of Na3P = 100 g/mol
Molar mass of Ag3P = 355 g/mol
Molar mass of NaNO3 = 85 g/mol
Mass of AgNO3 reacting = 83.4 g
Moles of AgNO3 reacting = 83.4/170 = 0.49 moles
Mass of Na3P reacting = 62.9
Moles of Na3P reacting = 62.9/100 = 0.629 moles
Moles ratio of AgNO3 to Na3P = 3 : 1
Mole rational of AgNO3 and NaNO3 1 : 1
Based on the mole ratio;
AgNO3 is the limiting reactant while Na3P is in excessMoles of Na3P left over is 0.629 - (1/3 × 0.49) = 0.465 moles0.49 moles of NaNO3 are formedAt the end of the reaction, molarity of the ions are as follows:
Molarity of Na+ = {0.49 + (3 × 0.46)}/1.71
Molarity of Na+ = 1.094 MMolarity of P^{3+} = 0.465/1.71
Molarity of P^{3+} = 0.272 MMolarity of NO3^{-1} = 0.49/1.71
Molarity of NO3^{-1} = 0.286 MTherefore, molarities of the ions are determined from the amount in moles of excess reactants and soluble products formed.
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A solution that has a high amount of hydrogen ions is called.
Answer:
a solution with high amount of hydrogen ions is called an acidic solution
What determines whether atoms will form chemical bonds.
Answer:
The electron arrangement of the outer energy level of an atom determines whether or not it will form chemical bonds.
Explanation:
Answer these questions based on 234. 04360 as the atomic mass of thorium-234. The masses for the subatomic particles are given. Round the mass defect to the 5th decimal place. Mass of a proton: 1. 00728 amu mass of a neutron: 1. 00866 amu How many protons does Thorium have? How many neutrons does Thorium-234 have? Calculate the mass defect for the isotope thorium-234 = amu.
The mass defect for the isotope thorium-234 if given mass is 234.04360 amu is 1.85864 amu.
How do we calculate atomic mass?Atomic mass (A) of any atom will be calculated as:
A = mass of protons + mass of neutrons
In the Thorium-234:
Number of protons = 90
Number of neutrons = 144
Mass of one proton = 1.00728 amu
Mass of one neutron = 1.00866 amu
Mass of thorium-234 = 90(1.00728) + 144(1.00866)
Mass of thorium-234 = 90.6552 + 145.24704 = 235.90224 amu
Given mass of thorium-234 = 234.04360 amu
Mass defect = 235.90224 - 234.04360 = 1.85864 amu
Hence required value is 1.85864 amu.
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What are the three major branches of natural science?
• Earth and space science, life science, physical science
•Earth and space science, physical science, chemistry
•Physical science, life science, chemistry
•Life science, chemistry, physics
Explanation:
The three major branches of natural science are1.Physical,the study of universe.2.Chemistry,the study of matter.3.Biology,the study of life and living or organisms.have a good day.I hope this answer can help youAnswer:
here:)
Explanation:
Natural Sciences is the core of the branches of science as studies the nature of our physical world and the universe. The three branches of Natural Sciences are:
Physics, the Study of Universe.
Chemistry, the Study of Matter.
Biology, the Study of Life and Living Organisms.
Please help with this question
Which correctly describes the which correctly describes the relationship between a hydrate, water, and an anhydrous compound?
Heating an anhydrous compound forms water and a hydrate.
O Adding water to an anhydrous compound forms a hydrate.
O Combining an anhydrous compound and a hydrate produces water.
O Removing a hydrate from an anhydrous compound produces water.
Answer:
adding water to an anhydrous compound forms a hydrate.
Explanation:
The statement which correctly describes the relationship between a hydrate, water, and an anhydrous compound is adding water to an anhydrous compound forms a hydrate. The correct option is A.
What are anhydrous compounds?Anhydrous means without water, so the compounds that do not contain water are anhydrous compounds. Some examples are sodium sulfate, hydrogen fluoride, etc.
Hydrates are the compounds that contain water as the H2O molecules. These compounds lose their structure if water molecules are removed from the compound.
So, when water is added to the anhydrous molecules, it converts into hydrates. An example is sodium sulfate decahydrate.
Thus, the correct option is A. Adding water to an anhydrous compound forms a hydrate.
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Complete the curved arrow mechanism for the reaction of 4-methylpentanenitrile and lialh4, followed by the addition of acid to give the major product
The curved arrow mechanism for the reaction as described is as represented in the attached image.
Nitrile reduction by LiAlH4Nitriles, upon reaction with LiAlH4 can be converted to 1° amines.
Opon occurrence of this reaction, the hydride nucleophile attacks the electrophilic carbon in the nitrile to form an imine anion. Once stabilized by a Lewis acid-base complexation the imine salt can accept a second hydride to form a dianion.
On this note, the nitrile reduction of 4-methyl pentanenitrile and lialh4, followed by the addition of acid to give the major product is as represented in the attached image.
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Why water is known as the "universal solvent?"
A. Because of water's polarity, it is not able to dissolve or dissociate many particles.
B. Because water is a polar molecule, it is able to dissolve or dissociate many particles.
C. Because water is a nonpolar molecule, it is able to dissolve or dissociate many particles.
A. I not sure kinda. Hopefully it's correct
Explain how sulfur forms its ion.
Explanation:
the sulfur ato is in group 6 of the periodic table. In order to become an ion the ato needs to gain 2 electrons so it has a full outer shell of electron and is stable. so the atom S goes to S2+ + 2e
how many liters of water would it require to 36 grams of the substance?
3 liters
________________
Find δg o for the following reaction, using δh o f and s o values. H2(g) i2(s) → 2 hi(g)
The standard change in free energy is -35.76 kJ/mol. Values of standard free energy are obtained from thermodynamic tables.
What is the standard change in free energy?The standard change in free energy can be obtained using the relation;
ΔG°= ΔH° - TΔS
When;
ΔH°f(HI) = 26.466 kJ/mol
ΔH°f(H2) = 0 kJ/mol
ΔH°f(I2) = 0 kJ/mol
ΔS°f(HI) = 221.63 J/K/mol
ΔS°f(H2) = 145.64 J/K/mol
ΔS°f(I2) = 0 J/K/mol
Hence;
ΔH°freaction = [ 2(26.466)] - 0
= 52.932 kJ/mol
ΔS°freaction = [2(221.63 ) ] - [145.64 + 0]
= 443.26 - 145.64 = 297.62 J/K/mol
ΔG°= 52.932 * 10^3 - [298 * 297.62 ]
ΔG°= -35.76 kJ/mol
The standard change in free energy is -35.76 kJ/mol.
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The change in free energy for the given chemical reaction between hydrogen and iodine gas is -31.068 kJ/mol.
How do we calculate the free energy change?Free energy change of any reaction will be calculated by using the below equation:
ΔG° = ΔH° - TΔS, where
ΔH° = change in enthalpy
T = absolute temperature = 298K
ΔS = change in entropy
Change in any quantity during the reaction will be find out by substracting the reactant values from product values.
Given chemical reaction is:
H₂(g) + I₂(g) → 2HI(g)
ΔH° = 2(26.466)] - 0 = 52.932 kJ/mol
ΔS = [2(206.6) ] - [131 + 0] = 413.2 - 131 = 282.2 J/K.mol = 0.282 kJ/K.mol
On putting values on above equation, we get
ΔG° = 52.932 - (298)(0.282) = -31.068 kJ/mol
Hence required free enrgy is -31.068 kJ/mol.
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HELP
Determine the empirical formula of a compound containing 48.38
grams of carbon, 6.74 grams of hydrogen, and 53.5 grams of oxygen.
In an experiment, the molar mass of the compound was determined to be 180.15 g/mol.
What is the molecular formula of the compound?
For both questions, show your work or explain how you determined the formulas by
giving specific values used in calculations.
Answer:
I recently answered this question. The response I submitted is included below. I beleive my answer should be correct.
Explanation:
Question 1:
C: 48.38g(1mol/12g) = 4.0317
H: 8.12g(1mol/1.01g) = 8.12
O: 53.5g(1mol/16g) = 3.34375
Divide by the smallest amount (3.34375)
C = 4.0317/3.34375 = 1.206 = 1
H = 8.12/3.34375 = 2.42 = 2
O = 3.34375/3.34375 = 1
Empirical formula = CH2O
Question 2:
Molecular formula = n(empirical formula)
n = molar mass (compound)/molar mass (empirical)
Empirical formula: CH2O
Molar mass of CH2O = 12 + 2x1 + 16 = 30 g/mol
Molar mass of compound: 180.15 g/mol
[tex]n = \frac{180.15g/mol}{30g/mol} = 6[/tex]
Molecular formula = C6H12O6
my teacher hasnt graded yet, but i got the same answer as the guy above. i did my best to explain the process for y'all if you genuinely don't understand/know how to do it. THE PROCESS IS VERY LONG, but youll get it eventually if i didnt help lol GOODLUCK
and yes, the molecular formula is C6H12O6
i don’t really know how to do this and need help
Answer:
Explanation:
To round the number to 3 significant figures, look at the first 4 digits: 3545 which will round to 355. The number in 3 significant figures will be 3,550,000.
[tex]\\ \sf\Rrightarrow 3545530[/tex]
[tex]\\ \sf\Rrightarrow 354553[/tex]
[tex]\\ \sf\Rrightarrow 35455[/tex]
[tex]\\ \sf\Rrightarrow 3545[/tex]
[tex]\\ \sf\Rrightarrow 355[/tex]
Br2(g) cl2(g)⇌2brcl(g) δh∘f for brcl(g) is 14. 6 kj/mol. Δs∘f for brcl(g) is 240. 0 j/mol
The Change in Gibb's free energy, ΔG for the reaction at 298K is; -56.92KJ.
Gibb's free energy of reactionsIt follows from the Gibb's free energy formula as expressed in terms of Enthalpy and Entropy that;
ΔG = ΔH - TΔSOn this note, it follows that;
ΔG = 14.6 - (298× 0.24)Hence, the Gibb's free energy for the reaction is;
ΔG = 14.6 - 71.52ΔG = -56.92KJRemarks: The question requires that we determine the Gibb's free energy for the reaction at 298K.
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The Gibbs free energy for the reaction Br²(g) Cl²(g)⇌2BrCl(g) is -56.92 KJ.
What is Gibbs Free energy?It's the total work done in a closed thermodynamic system.
By the formula of Gibbs free energy
[tex]\rm \Delta G = \Delta H - T \Delta S[/tex]
The H is 14.6 KJ/mol
The change in temperature is 0.24
Putting the values in the equation
[tex]\Delta G = 14.6 - (298 \times 0.24)\\\\ \Delta G = 14.6 - 71.52\\\\ \Delta G = -56.92KJ[/tex]
Thus, the Gibbs free energy for the reaction is -56.92 KJ
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