Does anyone know any good science fair projects for 8th grade? It will mean a lot if u do! Need one asap

A 675 mL sample of a gas is cooled from 75°C to 25°C at constant pressure. What is the new volume of gas?

2.5 moles of sodium chloride is dissolved to make 0.050 liters of solution

Why is it harder to remove an electron from fluorine than from carbon?

What is the volume, in Liters, of 0.765 mol of carbon monoxide gas at STP?

Proceeds at a certain temperature until the partial pressures of h2o, h2, and o2 reach 0.0150 bar, 0.00800 bar, and 0.00400 bar respectively. what is the value of the equilibrium constant at this temperature?

Whats the relationship between the temperature and the density of a substance

If you can smell a cleaning solution from across the room, you are experiencing the result of which liquid property? viscosity surface tension cleavage planes volatility

What is the effect of 1 mol dm-3 hydrochloric acid on a bulb? Explain why this effect happens.

Penny bought a club moss plant for her water garden. She needs to know how tall the plant will grow so she knows how much space it will need.

Which of the following is not a producer? Mushroom Tulip Grass Pine Tree