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Alex777 [14]
1 year ago
6

Prepare a project report on various samples of

Chemistry
1 answer:
san4es73 [151]1 year ago
8 0
<h2>Project Reports</h2>

<h3>A) Mixture</h3>

This refers to the material that is made when different substances mix up physically and causes a reaction.

You can make on the project of Mixture -

  • 1) Alloys
  • 2)Colloids
  • 3) Suspension
  • 4) Solution

<h3>B) Compound</h3>

This refers to the chemical bond that holds different atoms tightly

You can make on the project of Compound -

  • 1)Water
  • 2)Methane
  • 3)Carbon Dioxide
  • 4) Sulfuric Acid

<h3>C) Elements</h3>

Based on the fact that the atom is the smallest indivisible part of an element, elements like phosphorous cannot be further broken down.

You can make on the project of Elements -

  • 1) Mercury
  • 2) Iron
  • 3) Copper
  • 4)Carbon

Read more about mixtures and compounds here:

brainly.com/question/491220

#SPJ1

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I need help solving this!
zmey [24]

Answer: Moles of hydrogen required are 4.57 moles to make 146.6 grams of methane, CH_{4}.

Explanation:

Given: Mass of methane = 146.6 g

As moles is the mass of a substance divided by its molar mass. So, moles of methane (molar mass = 16.04 g/mol) are calculated as follows.

Moles = \frac{mass}{molar mass}\\= \frac{146.6 g}{16.04 g/mol}\\= 9.14 mol

The given reaction equation is as follows.

C + 2H_{2} \rightarrow CH_{4}

This shows that 2 moles of hydrogen gives 1 mole of methane. Hence, moles of hydrogen required to form 9.14 moles of methane is as follows.

Moles of H_{2} = \frac{9.14}{2}\\= 4.57 mol

Thus, we can conclude that moles of hydrogen required are 4.57 moles to make 146.6 grams of methane, CH_{4}.

5 0
3 years ago
I need help ASAP! How many reactants and products are in each element according to the chemical equation above.
Len [333]

Answer:

O 4

C 1

1 sodium

3 H

Products

1 sodium

3 H

4 O

1 C

Explanation:

7 0
2 years ago
Calculate the vapor pressure in torr of a solution containng 24.5 g of glycerin (C3H8O3) in 135 mL water at 30.0* C; the vapor p
Otrada [13]
Psolution = X · PH_20
= 0.966 · 31.8 torr
= 30.7 torr
3 0
2 years ago
PLEASE HELP NOW!! 30 BRAINLIEST!!!
scoray [572]

Answer:

the answer should be A. the sum of all forces acting on an object

Explanation:

8 0
2 years ago
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What are the five main forms of energy
babunello [35]

Thermal Energy, Electrical Energy, Light, Sound, Nuclear Energy, and Chemical Energy

6 0
3 years ago
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