Describe the chemical reactivity between potassium metal and helium gas

You are sitting in a cart at the top of hill on a roller coaster. You have 10500 J of GPE. If your current weight is 539 N, how tall is the hill you are sitting on?

Does acid in your stomach make you unhealthy?

A reaction container holds 5.77 g of P4 and 5.77 g of O2. The following reaction occurs: P4 + O2 → P4O6. If enough oxygen is available then the P4O6 reacts further: P4O6 + O2 → P4O10. a. What is the limiting reagent for the formation of P4O10? b.

Which statement correctly compares the motion of atoms in liquid mercury and solid copper? Copper atoms in copper move while staying close together, whereas mercury atoms vibrate around fixed positions.

List 2 Homogeneous mixtures and explain how that are homogeneous

How does the quantity of atp produced as a result of activity by the electron transport chain compare to the quantity produced as a result of glycolysis?

Molybdenum has a molar mass of 95.94g/mol. How many molecules of molybdenum are in 150.0 g of molybdenum

Describe a way that people might be able to solve each envioronmental problem listed below. coal mining can harm habitats and cause pollution.

A sample of methane gas occupies 4.50 gallons at a temperature of 80.0 F. If the pressure is held constant, what will be the volume of the gas at 100. degrees C?

Jack wants to know if it takes longer for warm water to freeze into ice cubes than cold water, so he performed the following experiment. Jack placed 50 mL of water in the refrigerator and allowed it to cool to a temperature of 4°C.