What are the starting materials and product of photosynthesis and cellular respiration

If 175mL of oxygen is produced at STP, how many grams of hydrogen peroxide, H2O2 were decomposed? At STP, 1 mole of gas occupies 22.4L. Be sure to balance first. 2 H202 > H202 + O2 what's the Mass of H2O2

5.45 grams of magnesium sulfate heptahydrate is how many moles?

Explain how to use the displacement method to find the volume of an object?

If I contain 3 moles of gas in a container with a volume of 60 liters and at a temperature of 400 K, what is the pressure inside the container? (Use mm Hg)

To use Charles' Law, which of the following needs to remain constant? A. Temperature and volume B. Temperature and the number of moles of a gas C. Pressure and volume D. Pressure and temperature E. Pressure and the number of moles of a gas

Discuss why two objects of made of the same type of matter at the same starting temperature with different masses increase in temperature at different rates when the same amount of thermal energy is transferred to each object.

An isotope contains 56 protons, 54 electrons, and 74 neutrons. What is the identity of the isotope?

How many ozone particles are needed to form 24 particles of oxygen gas?

Calculate the molality of a 27.0% (by mass) aqueous solution of nitric acid.

What is the percent of carbon-14 remaining after two half-lives?