What is the molar mass of Mg (NO3) 2? Explain how you calculated this value.

Why does the insolubility of benzene and water in each other cause each liquid to exert its own vapor pressure when a mixture of benzene and water undergo steam distillation?

How many moles of hydrogen gas occupy a volume of 0.25L at STP?

What are the characteristics of an intrusive rock?

How many mole of oxygen are present in 3 mole of sodium sulfate, Na2SO4

What is the classification of salt water?

The elemental mass percent composition of malonic acid is 34.63% C, 3.87% H, and 61.50% O. Part A Determine the empirical formula of malonic acid. Express your answer as a chemical formula.

Which statement describes the particles of an ideal gas? (1) The particles move in well-defined, circular paths. (2) When the particles collide, energy is lost. (3) There are forces of attraction between the particles.

Balanced rock has a mass of about36,000kg. if the acceleration due to gravity is 9.8 m/s2 what is the force that the rock is exerting on its pedestal

Calcium oxide (CaO) can react with carbon dioxide (CO2) in a synthesis reaction. Select the most likely products of this reaction. CaO + CO2 →?

Three separate 3.5g blocks of al, cu, and fe at 25°c each absorb 0.505 kj of heat. which block reaches the highest temperature? the specific heats of al, cu, and fe are 0.900 j/g·°c, 0.385j/g·°c, and 0.444 j/g·°c, respectively.