Please Helppppp:(((((

Please Helppppp:(((((

Answers

Answer 1

Answer:

what we have to do ? pls paste the whole question .

Explanation:


Related Questions

How many moles of bromine are needed

Answers

Answer:

8.0 moles

Explanation:

PLS ANSWER FAST WILL GIVE BRAINLY!! ONLY IF YOU KNOW!!!

Fill in the blank


_____orbit around the nucleus of an atom

Answers

Answer:

electrons

Explanation:

Electrons are the negatively charged atoms that orbit  around the nucleus of an atom

Electrons orbit around the nucleus of an atom

2C3H7OH + 9O2 -> 6CO2 + 8H2O

How Many Moles of CO2 can be produced by reacting 6 moles of C3H7OH with oxygen?

Answers

Answer:

Up to [tex]18\; \rm mol[/tex] [tex]\rm CO_2[/tex].

Explanation:

The equation for this reaction: [tex]2\; \rm C_3 H_7 OH + 9\; O_2 \to 6\; CO_2 + 8\; H_2O[/tex] is indeed balanced.

Notice that the coefficient of [tex]\rm C_3 H_7 OH[/tex] is [tex]2[/tex] while that of [tex]\rm CO_2[/tex] is [tex]6[/tex].

Therefore, each unit of this reaction would consume [tex]2[/tex] units of [tex]\rm C_3H_7OH[/tex] while producing [tex]6[/tex] units of [tex]\rm CO_2[/tex]. In other words, this reaction would produce three times as much [tex]\rm CO_2\![/tex] as it consumes [tex]\rm C_3H_7OH\![/tex].

If all that [tex]6\; \rm mol[/tex] of [tex]\rm C_3H_7OH[/tex] molecules are actually consumed through this reaction, three times as many [tex]\rm CO_2[/tex] molecules would be produced. That corresponds to [tex]3 \times 6\; \rm mol = 18\; \rm mol[/tex] of [tex]\rm CO_2\![/tex] molecules.

Five moles of trucks would be____trucks.

Answers

Answer:

3.02x10²⁴

Explanation:

To solve this problem we need to use Avogadro's number: It is the number of units (usually atoms or molecules, in this case it's trucks) contained in one mol: 6.023x10²³.

We multiply the given number of moles times Avogadro's number:

5 * 6.023x10²³ = 3.02x10²⁴

So five moles of trucks would be 3.02x10²⁴ trucks.

A screw decreases the amount of work done.

True
False

Answers

Answer:

tru

Explanation:

It would probably be False

Which characteristic describes the traposphere

Answers

Answer:

It is the wettest layer of the atmosphere.It extends upto 10km upward from sea level.

Limonene is an oil from oranges and lemons. Click on all the carbon


atoms its structures that have a trigonal planar molecular geometry.

Answers

Answer:

See explanation

Explanation:

Limonene is an oil from oranges and lemons. Its structure has been shown in the image attached to this answer.

There are two different groups of carbon atoms in limonene. One group of carbon atoms are sp2 hybridized while the other group are sp3 hybridized. The group of carbon atoms that are sp2 hybridized have a trigonal planar geometry and have been accurately labeled in the image attached while the carbon atoms that are sp3 hybridized were also labelled and have a tetrahedral geometry.

Hence in limonene, there are trigonal planar and tetrahedral carbon atoms.

What does the presence of tiny crystals in a piece of igneous rock tell you about it?

Answers

Answer:

Neron po bang story o wala poh

HELP ASAP!!!!!!! 30 POINTS + BRAINLIEST!!!!!!!!

Give examples of Avogadro, Boyle, and Charle's law.

Answers

Answer:

You can observe a real-life application of Boyle's Law when you fill your bike tires with air. When you pump air into a tire, the gas molecules inside the tire get compressed and packed closer together. This increases the pressure of the gas, and it starts to push against the walls of the tire.

Tyres of untouched vehicles get deflated during freezing winter days while get inflated in hot summer days. This unusual behaviour is because of Charles's law. In winter due to low temperatures, the air inside a tyre gets cooler, and they shrink. While in hot days, the air expands with temperature.

Another common example of Avogadro's law is the deflation of automobile tyres. When the air trapped inside the tyre escapes, the number of moles of air present in the tyre decreases. This results in a decrease in the volume occupied by the gas, causing the tyre to lose its shape and deflate.

Explanation:

What is the difference between hydrogen-2 and hydrogen-3?

A. Hydrogen-3 has one more neutron

B. Hydrogen-2 has 2 neutrons.

C. Hydrogen-2 has 4 protons.

D. Hydrogen-2 has no protons.

Answers

A. Hydrogen-3 has one more neutron.

Maybe not right but this is what I think it is

How many minutes are in 180,0 days?

Answers

Answer:

259,200 minutes

Explanation:

2. Find the molar mass for:
FeCl2 • 5H20

Answers

Answer:

Molar mass = 216.8254 (approx.)

Explanation:

Given:

FeCl2 • 5H20

Find:

Molar mass

Computation:

Atomic mass

Fe = 55.845

Cl = 35.453

H = 1.00794

So,

FeCl2 • 5H20

55.845 + 2(35.453) + (2)5(1.00794) + 5(15.999)

55.845 + 70.906 + 10.0794 + 79.995

Molar mass = 216.8254 (approx.)

Define unknown solutions

Answers

Answer:

A titration is a technique where a solution of known concentration is used to determine the concentration of an unknown solution. Typically, the titrant (the know solution) is added from a buret to a known quantity of the analyte until the reaction is complete

help me plz i’ll give extra points

Answers

False is the answer :) hope I helped

What is the role of an electron in an atom?
Electrons live inside the nucleus and carry a neutral charge.
Electrons circle the nucleus and have a positive charge.
O Electrons determine the reactivity of an atom.
Electrons act like a glue to hold the nucleus together

Answers

Answer

Electrons live inside the nucleus and carry a neutral charge.

Explanation:

1. According to the equation, what mass of hydrogen fluoride is necessary to produce 2.3 g of sodium fluoride?
HF + NaNO3 -> HNO3 + NaF

Answers

Answer:

1.096g

Explanation:

You must know the atomic mass of Hydrogen, Fluorine, and Sodium before you can start:

Hydrogen: 1.008g/mol

Fluorine: 18.99g/mol

Sodium: 22.98g/mol

Next, find the composition percentage of NaF

22.98 + 18.99 = 41.97

Fluorine is 18.99/41.97 =45.25%

Sodium is 100-45.25 = 54.75%

Ultimately we want to know about HF so find how much F is in 2.3g: 2.3 * 0.4525 = 1.041g

Find comp. percentage of HF

18.99+1.008 = 19.998; H/total F/total

Hydrogen 5.041%

Fluorine 94.959%

Laws of conservation of say we have 1.041g of fluorine in our HF. We know 1.041 is 94.959% of the mass of HF so do some simple math to find the remaining: 1.041/0.94959 = 1.096g

How many liters are in 100g of CoCl2
Is it 579.60L
is it 29.08 L
Is it 23.73 L
Is it 17.25 L

Answers

Answer:

17.25 L

Explanation:

I converted 100g into moles and converted the amount of moles into L.

1 mole is equal to 6.023 × 10 ²³ molecules.17.25 Liters are in 100 grams of COCl₂. Therefore, option D is correct.

What do you mean by mole ?

The term mole is defined as the amount of substance of a system which contains as many elementary entities.

One mole of any substance is equal to 6.023 × 10²³ units of that substance such as atoms, molecules, or ions. The number 6.023 × 10²³ is called as Avogadro's number or Avogadro's constant.

The mole concept can be used to convert between mass and number of particles.

1 gram of COCl₂ =  0.00770 mole

100 gram COCl₂ = 0.770 mole

To convert gram into litre multiply by 22.4

= 0.770 ×  22.4

= 17.25 Litre

Thus, 17.25 Liters are in 100 grams of COCl₂, option D is correct.

To learn more about the mole, follow the link;

https://brainly.com/question/26416088

#SPJ2

Water boils at 100°C. What is that temperature on the Kelvin scale? 333 K 213 K 373 K 325 K​

Answers

Your answer is C It’s 373 K

Answer:

I can confirm that 100 degrees Celsius is 373 degreed Kelvin

Explanation:

To be exact, 100°C = 373.15°K, but rounding down would then give us 373.

2. Stronger intermolecular forces =______ boiling point​

Answers

Stronger intermolecular forces = higher boiling point​

The stronger the intermolecular forces, the harder the molecules are to pull/break apart, which means a higher boiling point.

Which of the following is the best representation of a heterogeneous mixture ?
A; sand and water
B; perfume
C; Gatorade
D; koolaid and water

Answers

Answer:

a)

Explanation:

how many grams are in 7.4 moles of HgS?

Answers

Answer:  1721.6 grams

Explanation:

How do ions in metals behave. There is picture pls help.

Answers

Answer:

metal atoms lose electrons to form positive ions (cations ) non-metal atoms gain electrons to form negative ions (anions )

i agree with this answer from the person above me: Augustlonley

Explanation:

*throws leaves in his face* Hey you wake up!!

Question 5 of 10
What kind of land feature is shown at point on this topographic map?
A. Alake
B. A gentle slope
C. A mountaintop
D. A steep slope

Answers

Answer:A

Explanation:

gentle slope

Plz help thank you!!!

Answers

Answer:

1. Covalent Bond

2. Ionic Bond

Explanation:

Covalent bonds are defined as the bond in which sharing of electrons takes place between atoms. The sharing of electrons is in equal number so that it form a stable balance of attraction and repulsion between atoms. In the given example of CO2 (first image) oxygen is sharing equal number of electrons with carbon to form a stable bond called covalent bond.

Ionic bonds are formed when valence electrons are transferred to other atoms and form oppositely charged ions. In ionic bond formation, the atoms that gain electrons become negatively charged and the atoms that loses electrons become positively charged. In the given example of Ca Cl2, Ca is also giving its 2 valence electrons to each Cl and there is no stable balance of attraction and repulsion between atoms.

Hence, the correct answer is:

1. Covalent Bond

2. Ionic Bond

energy traveling as electromagnetic waves

Radiant

Thermal

Chemical

Mechanical

Answers

Radiant anisishwiwjwkwodixjbx

Example of compound non polar covalent bond and polar covalent bond​

Answers

Answer:

Explanation:

Nitrogen N2 has a non polar covalent bond.

Water  H2O has polar covalent bonds between the H and O atoms.

What is the name of this isotope? P-17 N-22​

Answers

Answer:Chlorine

Explanation:

This isotope is Chlorine because an atom with 17 protons will always be chlorine, just as an atom with 1 proton will always be hydrogen, for example

Are substances that taste bitter and feel slippery to the skin

Answers

Answer:

Explanation:

Bases are the substances which have a bitter taste and feel slippery.Sulfuric acid is the most widely made industrial chemical in the world. It is used to make many products, including paper, paint, detergents, and fertilizers. Car batteries contain sulfuric acid. Feel The properties of a base solution include a bitter taste and a slippery feel.

4 Fe + 6 H₂O + 3 O₂ → 4 Fe(OH)₃


Police found 10 grams of Fe(OH)₃ on the knife. Convert grams of rust (Fe(OH)₃) into grams of iron (Fe) to see if the knife contained enough to murder the butler.



345 g Fe



5.22 g Fe



7.34 g Fe



2.95 g Fe

Answers

Someone answer my question please I need help hurry

Suppose you weigh the unknown substance on an electronic balance and find it has a mass of 445 grams. Analyzing the products of decomposition, you find that the masses of the elements in the sample are 232 grams of carbon, 58 grams of hydrogen, and 155 grams of oxygen. Finally, through further experimentation, you determine that the molar mass of the compound is 46.07 grams/mole.

Calculate the amount, in moles, of each component element in your substance. Use the periodic table to help you find the necessary molar masses.

____ moles of carbon

____ moles of hydrogen

____ moles of oxygen

Answers

Answer:

19.32 = moles of carbon

57.54 = moles of hydrogen

9.69 = moles of oxygen

Explanation:

232 g carbon × 1 mol C / 12.011 g C= 19.32 mol C

58 g hydrogen × 1 mol H / 1.008 g H = 57.54 mol H

155 g oxygen × 1 mol O / 15.999 g O = 9.69 mol O

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