How many moles are 5.55 x 102 atoms of Mg?

M2) an> NU X 02.0

a sample of oxygen gas has a volume of 151 mL when its pressure is 0.947 atm. what will the volume of the gas be at a pressure of 0.987 atm if the temperature remains constant?

Draw the structure for the ring compounds with formulas C6H12 and C6H6 a. Name each compound b. How are they similar? c. How are they different

What would cause the percent yield of a reaction to be less than 100%? The product participates in a side reaction. A balanced chemical equation is used. All of the limiting reagent gets used up. Pure reactants are used. first one is correct

When you were dropping the water onto the penny, why was the water not spilling off the penny?

Submarines sometimes make a "pinging" sound to determine the depth of an object in the ocean. This process is called A. sonar. B. radar. C. refraction. D. diffraction

How many moles of liquid water must freeze to remove 100 kJ of heat? (ΔHf = - 334 J/ g.

What is the power of a kitchen blender if it can perform 3750 joules of work in 15 seconds?

A 75.00 g a sample of a substance is analyzed and found to consist of 32.73 g phosphorus and 42.7 g oxygen. calculate the percent composition of this substance.

Which one of the following melts the fastest: rectangular prism, cylinder, and rectangular trapezoidal trough?

A 1.8-mL volume of seawater contains about 4.0 * 10^-10 g of gold. The total volume of ocean water is about 1.5 * 10^21 L. Calculate the total worth of all the gold in the world's oceans if the price of gold is $19.