How many atoms are in 4.3 moles of copper atoms

What might be the result if you did not grind the two initial reactants sufficiently? A. Yield would decrease, but purity would not be affected. B. Both yield and purity would decrease. C. Yield would not be affected, but purity would be decreased.

How do artificial reefs positively affect the ocean system

When you add 0.295 g of sodium metal to an excess of hydrochloric acid, you find that 3070 j of heat are produced. what is the enthalpy of the reaction as written below?

Draw a venn diagram and fill in the characteristics of the states of matter

A student can eat 4.0 M& Ms every 1.00 seconds. If an M& M has a mass of 63g, determine how many kilograms of M& Ms can be eaten by a class of 20 students in 3.75 hours.

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