Michelle has a beaker containing NaCl. What is in Michelle's beaker

Certain metal oxide has the formula MO where M denotes the metal. A 73.35-g sample of the compound is strongly heated in an atmosphere of hydrogen to remove oxygen as water molecules. At the end, 64.21 g of the metal is left over.

Think of Earth's shape. How does the shape of Earth affect the amount of heat different areas receive?

Percentage of sugar is oxygen

According to Reference Table M, what is the color of the indicator methyl orange in a solution that has a pH of 2? (1) blue (3) orange (2) yellow (4) red

What is the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency 1.50*1015Hz1.50*1015Hz? Express your answer in joules to three significant figures.

What is the pH of a solution with a hydrogen-ion concentration ([H+]) of 8.7 x 10-6M? Is this acidic or basic?

What are three types of beta decay

Bacteria and protists are primarily unicellular organisms. How do bacteria and unicellular protists differ? Options: A) Protists have a single chromosome in a nuclear region, but no nuclear membrane.

A solution contains 0.159 mol K3PO4 and 0.941 molH2O. Calculate the vapor pressure of the solution at 55 ∘C. The vapor pressure of pure water at 55 ∘C is 118.1 torr. (Assume that the solute completely dissociates.)

When 711 J of heat is added to a 41.1 g of an unknown metal, the temperature of the metal increases from 22oC to 94oC. Calculate the specific heat of this metal