How many neutrons does element X have if its atomic number is 25 and its mass number is 72?

A hydrate is determined to be 45.43% water and 54.57% CoCl. Find the chemical formula and name for this hydrate. (*Hint - assume that there is 100 g total of hydrate compound.)

Write the rate laws for the following elementary reactions. (a) ch3nc (g) → ch3cn (g)

balance the following reaction. a coefficient of "1" is understood. choose option "blank" for the correct answer if the coefficient is "1". ___ Kcl + ___ Pb (NO3) 2 - ->___ Pbl2 + ___ KNO3

The following balanced equation shows the synthesis of ammonia (NH3). According to this equation, how many hydrogen atoms are in the final product? N2 + 3H2 2NH3 2 3 5 6

Petrochemicals are used to produce all but which of the following? a. Firewood b. textiles c. pharmaceuticals d. all of these answers

What are quarks and gluons made of?

If 1. oo mol CS2 reacts with 1.00 mol O2, identify the limiting reactant

In which us state would a hurricane most likely strike

From the following thermochemical equation., what type of reaction is shown? CH4 (g) + 2O2 (g) CO2 (g) + 2H2O (l) + 890 kJ

Which increases the rate of a chemical reaction? A. a catalyst B. a higher volume C. a lower pressure D. a lower temperature