How many grams are in 2.6 moles of calcium

Which of the following is not an example of a mineral crystal shape? A. Pyrite B. Calcite C. Kryptonite D. Quartz

Can propane form covalent bonds

A change in the color or smell of a substance might suggest what?

How many calories are required to raise the temperature of 75g of water from 20 ˚C to 50˚ C? A. 1.5x103 cal B. 2250 cal C. 2000 cal D. 75.0 cal

The reaction A → B + C is known to be zero order in A with a rate constant of 3.8 * 10-2 mol/L • s at 25° C. An experiment was run at 25°C where [A]0 = 1.0 * 10-3 M. What is the rate after 6.5 minutes? Group of answer choices

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda