How many moles of iridium are in 26.4 g of iridium?

a. 1 mol

b. 1.37 10-1 mol

c. 5.06 103 mol

d. 7.29 mol

At stp 5.6 liters of ch4 which element contains the same number of molecules?

Assuming the final solution will be diluted to 1.00 l, how much more hcl should you add to achieve the desired ph?

A balloon is filled with helium gas. What will happen as the average kinetic energy of the helium particles increases? The balloon will decrease in total volume. The temperature of the balloon will decrease.

2. What is the name of the system of measurement used by the United States?

If any more mix is added, it will not dissolve. the solution is A. resaturated B. unsaturated C. saturated D. supersaturated

As you move from left to right across the periodic table, the atomic numbers increase decrease stay the same are random

Use the octet rule to predict the formula of the compound that would form between fluorine and iodine, if the molecule contains only one fluorine atom and only single bonds are formed.

64.0 grams of Sulfur Dioxide absorbed 5.00 kJ of heat and immediately evaporated. With this information, calculate its molar enthalpy of vaporization in units kJ/mol.

Which of these is not a biomass source? A) Sun B) Manure C) Wood chips D) Paper

a mug of boiling hot water sits next to a glass of ice water how does the movement of water molecules change in each case?