Increased concentration generally increases the reaction rate

A.) True

B.) False

A star is estimated to have a mass of of 2 X 10^36 kg. Assuming it to be a sphere with an average radius of 7.5 X 10^5 km, calculate the average density of the star in units of grams per cubic centimeter. Density = g/cm^3

Can just one measurement be considered precise? Can just one measurement be considered accurate? Explain your answers completely.

For each pair; which has higher kinetic energy? (a) A sled resting at the top of a hill or a sled sliding down the hill (b) Water above a dam or water falling over the dam

the directions in the candy recipe for pralines instruct the cook to remove the pot containing the candy mixture from the heat when the candy micture reaches the soft-ball stage. the soft ball stage corresponds to the temperature of 236°F.

I have a box with a mass of 34kg and I accelerate it at 4m/s. calculate it

How are rare earth elements like neodymiun important to our technological world?

How many molecules are in 525g of aluminum oxide

What do you think would happen if a solid were exposed to extremely cold temperatures, or if a gas were exposed to extremely hot temperatures?

The molar mass of rhodium

What is your cost effective way to reduce greenhouse gas emissons