Which equipment will best separate a mixture of

iron filings and black pepper?

magnet

voltmeter

triple-beam balance

filter paper

A steel tank with a volume of 9.583 L contains N2 gas under a pressure of 4.972 atm at 31.8 °C. Calculate the number of moles of N2 in the tank. a. 0.002 mol c. 0.525 mol b. 0.018 mol d. 1.90 mol

The generic metal A forms an insoluble salt AB (s) and a complex AC5 (aq). The equilibrium concentrations in a solution of AC5 were found to be [A] = 0.100 M, [C] = 0.0160 M, and [AC5] = 0.100 M. Determine the formation constant, Kf, of AC5.

What In the formula Na3PO4 how many moles of sodium? How many moles of phosphorus? How many moles of oxygen?

An object has a mass of 8.5 g and a volume of 17 mL. what is the density of the object? 0.2 g/mL 0.5 g/mL 1.4 g/mL 2 g/mL

What volume of 0.500 M zinc nitrate contains 2.94 g of zinc nitrate?

Convert from °F to °C 36.8 °F → °C

2. How many grams of sucrose would be needed to prepare 100. mL of a solution of 0.10 M sucrose? Show your calculations.

You have two separate containers each filled with a gas. The containers have the same volume and are at the same temperature. The gases also exert the same pressure. Which of the following statements are true? a.

Here is an important message is chemistry code. scandium, iodine, europium, nitrogen, cerium, iodine, sulfur, gallium, ruthenium, oxygen, oxygen, vanadium, yttrium. What is the message

Which process are driven primarily by Earth's internal heat (thermal) energy