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Determine the amount of heat (q) in joules that is released when 20.0 grams of water is cooled from 85˚C to 5˚C. Remember that the specific heat of water is 4.18 J/g˚C.

Dalam kajian geografi, cara pandang dan cara pikir terhadap objek material dari sudut geografi disebut objek

What is the answer miguel needs to use an electric hot plate to heat a beaker of water. as he starts to plug the hot plate into the socket, he notices that the cord is frayed. what would be the best thing for miguel to do?

Is the oxygen found in the glucose molecule (c6h12o6) comes from carbon dioxide or from water?

What is the [H₃O⁺] (hydronium concentration) of an aqueous solution that has a pH of 3.30?

A neutral atom has the same number of protons as it does neutrons true or false

A barium hydroxide solution is prepared by dissolving 1.90 g of Ba (OH) 2 in water to make 71.1 mL of solution. What is the concentration of the solution in units of molarity?

A mixture of so2 (g) and o2 (g), formed by the complete decomposition of so3 (g), is collected over water at 34°c at a total pressure of 760 mmhg. if the vapor pressure of water is 40 mmhg at 34°c, what is the partial pressure of so2?

What volume of gold would be equal in mass to a piece of copper with a volume of 101 ml? the density of gold is 19.3 g/ml; the density of copper is 8.96 g/ml?

What does condensation mean in the water cycle?

An organism's unique characteristics affect the individual's ability to survive in its environment. true or false