First, we calculate the number of moles of each reactant using the formula:
Moles = mass / molecular weight
CaO:
Moles = 7.15/56 = 0.128
Water:
Moles = 152/18 = 8.44
The reaction equation shows that the reactants must be present in an equal number of moles, so CaO will be the limiting reactant and 0.128 mole of calcium hydroxide will form.
The energy released is given by:
Heat of reaction * number of moles
= -64.8 * 0.128
= -8.29 kJ
8.29 kJ of energy will be released
Given a person throwing a block standing on a canoe, with a force of 60N and a mass of 100 kg., Acceleration is computed with the formula :
acceleration = action force / mass
acceleration = 60/100 = .6 m/s squared
Alright sounds good and also thank you so much for the free points dawg
Answer:
The answer is D
Explanation:
I recently took a test with the same question and it said the answer was correct
I hope this helps and have a nice day <3
Answer:
The molality ( m ) of a solution is the moles of solute divided by the kilograms of solvent. A solution that contains 1.0 mol of NaCl dissolved into 1.0 kg of water is a “one-molal” solution of sodium chloride. The symbol for molality is a lower-case m written in italics.
In order to calculate the molality of a solution divide the moles of solute by the volume of the solution expressed in liters.
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