Which chemical reaction shows photosynthesis?

water + carbon dioxide + sunlight → oxygen + glucose

carbon + oxygen → carbon dioxide

hydrogen + oxygen → water

nitrogen + hydrogen → ammonia

Atomic mass problems

What are two subject areas in which Pseudoscience is likely to be found? What might it look or sound like when it is encountered?

How will the average kinetic energy of the molecules in a sample of gas change if the temperature is decreased but the volume of the gas is increased?

List the exceptions to Metals showing a high density?

Which of the following instruments is used to measure air pressure? A. Barometer B. Hygrometer C. Anemometer D. Thermometer

How will increasing the pressure on the system affect this equilibrium reaction? 2H2 (g) + O2 (g) - > 2H2O (g)

What are small round structures in the cell that breaks down large food particles into smaller ones

A balloon has a volume of 2.5 L and contains 0.100 moles of Helium. Another balloon has a volume of 5.0 L. They are at the same temperature and pressure. How many moles of gas does the second balloon contain?

Why is it important to that the solid be dry before the final mass measurement?

What is 0.00055030 in Scientific form?