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To increase the temperature of 50 grams of water by 2 degrees Celsius requires?

(a) 4.18 calories

(b) 100 calories

(c) 0.04 calories

(d) 2 calories

(e) 25 calories 

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Patrick Suarez
Patrick SuarezLv10
26 Oct 2020

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Related questions

Calculate the heat change at 100 C for each of the following, and indicate whether heat was absorbed/released

a. Calories to condense 10.0g of steam

b. Joules to condense 7.60g of steam

c. Kilocalories to vaporize 44g of water

d. Kilojoules to vaporize 5.00 kg of water


2.

A styrofoam cup has a calorimeter constant of 9.8 cal / ̊C. Show your work for each answer.
(a) If a neutralization reaction performed in this calorimeter causes the temperature to rise from 22.3 ̊C to 36.5 ̊C, how many calories of heat were absorbed by the cup?
(b) In the same calorimeter, a neutralization reaction was carried out wherein the m ass of the solution was 100. g with a specific heat of 1.03 cal / gm ̊C. If the temperature rose from 22.3 ̊C to 36.5 ̊C, calculate the number of calories of heat energy absorbed by the solution.

(c) What was the heat of neutralization of the reaction?
(d) If 50.0 ml of 2.0 M acid was used in the reaction, how many moles of acid were present? (e) What is the molar heat of neutralization for this reaction? (answer in kcal / mol)

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