3 years ago

6 C + 3 H2 -> C3H6, \Delta Δ ΔH= 49 kJ If 8.2 moles of C react with excess H2, what is the total change in energy?

Chemistry

1 answer:

Delicious77 [7]3 years ago

5 0

I would like to know too

You might be interested in

A 10.0 g pat of butter raise the water level in a graduated cylinder by 11.6 mL. What is the density of the butter

Nina [5.8K]

- formula for density is mass divided by volume

therefore density of butter = 10.0g divided by 11.6ml = 0.8620689 g/cm³ ≈ 0.862 g/cm³ (3sf)

8 0

3 years ago

If a negatively charged object is brought near a neutrally charged sphere, what will happen?

Verizon [17]

Answer:

the protons will jump to the negatively charged object making it negatively charged

6 0

2 years ago

Always carry the microscope with________________-one on the ____________ and one underneath the____________ of the microscope

Ronch [10]

Answer:

Always carry the microscope with two hands. One on the arm and one underneath the base of the microscope.

5 0

3 years ago

Which of the following best describes the movement of particles in a solid?

Volgvan

Answer:

Explanation:

particles are frozen and hence will vibrate in their fixed positions

5 0

3 years ago

Hello :) for qn 3 , I got 0.01 mol but I’m not sure if it’s correct :/ I need help , thanks!

damaskus [11]

Answer:

0.05 dm³

Explanation:

Please see the attached picture for full solution.

The question is asking for the volume of H₂SO₄, so we need to find the number of moles of KOH then the number of moles of H₂SO₄. (Using mole ratio from the balanced equation) Also, potassium hydroxide is KOH not K₂SO₄ :)

8 0

2 years ago