Balance the equation by typing in the correct coefficients into the blank spaces in front of each formula. Type 1 if
the coefficient is 1, do not leave space blank
_EH + _ G2 → _EG + _HG2
Answer:
2 in front of every one
Explanation:
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What do properties of matter tell us about a substance?
Answer:
Chemical properties of matter describes its "potential" to undergo some chemical change or reaction by virtue of its composition. What elements, electrons, and bonding are present to give the potential for chemical change. It is quite difficult to define a chemical property without using the word "change"
Explanation:
Which of the following could not be an empirical formula? a CH4 b Na2O c NaCl d H2O2
Answer:
C NaCl will not be an empirical formula.
Answer:
C naCl
Explanation:
it wouldnt be an empiricla formula
8. The most common element used in nuclear fission reactors is uranium. The three nuclides, U-233, U-235, and U-238, are isotopes of uranium because they have the same number of protons per atom and...*
(1) the same number of electrons per atom
(2) the same number of neutrons per atom
(3) a different number of electrons per atom
(4) a different number of neutrons per atom
Answer:(D) different number of neutrons per atom
Explanation: Honestly, I just looked it up on Socratic.
helooo i need help please :)
What type of reaction is shown here?
2 NO2-202 + N2
O Double replacement
O Combustion
O Decomposition
O Single replacement
Synthesis
The given reaction is the type of Decomposition reaction. A decomposition reaction occurs when one reactant splits into many products.
What does a reaction's breakdown entail?Chemistry reaction reactions of decomposition. Decomposition reactions occur when complex chemical entities split apart into smaller components. Decomposition reactions often demand energy input.
What are the names for decomposition reactions?Decomposition reactions are those that divide or break the compounds into two simpler products. Because two or more reactants are combined to create a single product in a combination reaction, they are known as the reverse of combination reactions.
The exothermic nature of a decomposition reaction is why?It entails the severing of ties. Energy is necessary to dismantle the bonding between atoms. Decomposition advances when energy in the form of heat or electricity is provided. As the bond is broken during this reaction, energy is given to them, making them endothermic processes.
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what fault block that is located below the fault
Answer:
it is called the foot blockCan someone help me plz
A compound and oxidant react to produce heat and a new product is what reaction
Answer:
A compound and oxidant react to produce heat and new product is chemical reaction.
3. Which of the following do all living organisms have in common? A. Cells held up by cell walls B. The method to get water and food into their cells C. Cells are made from pre-existing cells D. Special cells that can do many different things
Name the 3 steps involved in the treatment of polluted water? class 7
Explanation:
The processes involved in removing the contaminants include physical processes such as settling and filtration, chemical processes such as disinfection and coagulation, and biological processes such as slow sand filtration
What is the limiting reactant if 10 moles of NH 3 react with 30.0 moles of NO ?
Answer:
NO is the limiting reactant.
Explanation:
4NH3 + 6NO --> 5N2 + 6H2O
Molar ration NH3 : NO = 10: 30 = 1: 3
Stoichiometric molar ration NH3:NO = 4:6 = 2:3
NO is the limiting reactant.
Solutions of potassium chloride and silver nitrate are mixed.
Answer:
A solution of potassium chloride when mixed with silver nitrate solution forms an insoluble white substance silver chloride.
Explanation:
:)
P5-F2 + Ar --> ArF3
P5a- How many moles of F2 (Fluorine) are needed to produce 9 mole of ArF3 (Argon trifluoride)?
P5b- How many moles of Argon (Ar) are consumed in a reaction that consumes 5 moles of F2 (fluorine)?
I need the answers for the p5 part please help
Answer:
5a. 13.5 moles of F₂
5b. 3.33 moles of Ar.
Explanation:
We'll begin by writing the balanced equation for the reaction. This is illustrated below:
3F₂ + 2Ar —> 2ArF₃
From the balanced equation above,
3 moles of F₂ reacted with 2 moles of Ar to produce 2 moles of ArF₃.
5a. Determination of the number of mole of fluorine, F₂, needed to produce 9 moles of ArF₃.
From the balanced equation above,
3 moles of F₂ reacted to produce 2 moles of ArF₃.
Therefore, Xmol of F₂ will react to produce 9 moles of ArF₃ i.e
Xmol of F₂ = (3 × 9)/2
Xmol of F₂ = 13.5 moles
Thus, 13.5 moles of F₂ is needed.
5b. Determination of the number of mole of Ar needed to react with 5 moles F₂.
From the balanced equation above,
3 moles of F₂ reacted with 2 moles of Ar.
Therefore, 5 moles of F₂ will react with = (5 × 2)/3 = 3.33 moles of Ar.
Thus, 3.33 moles of Ar was consumed.
Which diatomic molecule (H2, N2 or O2) forms the strongest bond and why
Answer:
Hydorgen will.
Because hydrogen has 1 as valency.
I'LL GIVE 30 POINTS PLEASE ANSWER!!!
Which terms correctly identify the indicated structures in this sketch of a cell viewed under a microscope? Match each label to the correct cell part. Question 5 options: Golgi Apparatus Nucleus Endoplasmic Reticulum Mitochodrion Ribosome Lysosome
1.
2.
3.
4.
5.
6.
Which system is responsible for the production of red blood cells?
hormone erythropoietin (EPO) is responsible for the production of red blood cells.
PLEASE HELP ASAP
During convection heat is transferred through fluids. Which statement is true about fluids?
Only gasses are fluids
Only liquids are fluids
Only solids are fluids
Both liquids and gasses are fluids
In a given population, which members are most likely to survive and produce offspring?
Answer:
Those individuals with advantageous traits are more likely to survive and reproduce. The survivors pass down these advantageous traits to their offspring.
Explanation:
The genetic information found in DNA, chromosomes, and determines
A. the traits of the organism
B. the organism as an animal
C. the safety of the nucleus
D. the type of cell
Answer:
a
Explanation:
the traits of the organism
what is the mass in grams of 1.204x10^24 molecules of hydrogen gas (H2) ?
Answer:
4.03 g
Explanation:
The mass in grams of the hydrogen gas is 4.0 g
StoichiometryFrom the question,
We are to determine the mass in grams of the hydrogen gas.
First, we will determine the number of moles of hydrogen gas present.
Using the formula,
[tex]Number\ of\ moles =\frac{Number\ of \ molecules}{Avogadro's\ constant}[/tex]
From the given information,
Number of hydrogen molecules = 1.204 × 10²⁴ molecules
Thus,
Number of moles of hydrogen gas present = [tex]\frac{1.204 \times 10^{24} }{6.02 \times 10^{23} }[/tex]
Number of moles of hydrogen gas present = 2 moles
Now, for the mass of the hydrogen gas
Using the formula,
Mass = Number of moles × Molar mass
Molar mass of hydrogen gas = 2.016 g/mol
Then,
Mass of the hydrogen gas = 2 × 2.016
Mass of the hydrogen gas = 4.032 g
Mass of the hydrogen gas ≅ 4.0 g
Hence, the mass in grams of the hydrogen gas is 4.0 g
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Which salt is the most common found in ocean water?
magnesium
calcium carbonate
potassium
sodium chloride
Answer:
Sodium chloride
Explanation:
There are several salts in seawater, but the most abundant is ordinary table salt or sodium chloride (NaCl). Sodium chloride, like other salts, dissolves in water into its ions, so this is really a question about which ions are present in the greatest concentration. Sodium chloride dissociates into Na+ and Cl- ions.
True or false: Heterotrophs need to go find and eat food.?
:FALSE
:TRUE
Answer:
Explanation:
Heterotrophs cannot make their own food, so they must eat or absorb it. For this reason, heterotrophs are also known as consumers. Consumers include all animals and fungi and many protists and bacteria. They may consume autotrophs or other heterotrophs or organic molecules from other organisms
The unique shape of DNA allows what
Answer: to copy itself during cell division
Explanation:
Calculate the number of moles of gas that occupy a 16L container at a pressure of 3 atm and a temperature of 48oC
Answer:
1.81
Explanation:
3*16=n(0.0821)(48+273)
Which substance would be the strongest?
carbon
steel
gold
silver
Answer:
steel
Explanation:
Answer:
B. STEEL
Explanation:
(8.6 1029) 7.4 X1029)
Answer:
65563.914234
Explanation:
8.61029 x 7.4 x 1029
63.716146 x 1029
multiply
= 65563.914234
Why is think chemistry is important? i need 5 paragraph please
Answer:
because it is so fundamental to our world . chemistry plays a role in everyone lives.
It touches almost every aspect of our existence in some way.
Chemistry is essential for meeting our basic needs of food, cloth, etc.
Chemistry plays a important and useful role towards the development and growth of industries.
chemistry also helps you become who you want to be.
On the periodic table, in which period is copper?
Answer:
At the top of Group 11 above silver and gold.
Period 4
Explanation:
At what point in the cooking process is food typically seared?
Answer: when you look at the meat, and it looks beautiful like a crispy donut made by Gordan Ramsay
Explanation:
Hells Kitchen is kewl