A27 g pancake (61 food calories) is burned in a calorimeter that contains 500 g of water. how much does the temperature of the water increase if all of the energy from the pancake is transferred into the water?

You missed the specific heat on water, that is 1 calorie/gram °C. This answer is, 0.12°C

Explanation:

The stayment says, that all of the energy from the pancake is transferred into the water, so we have to think that 61 calories are burned in the calorimeter with water. Let's apply on the formula.

Heat added = specific heat x mass x (tfinal - tinitial)

61 cal = 500. g .1 cal/g °C . ΔT

61 cal / 500 g / 1 cal/g °C =ΔT

                             0.12 °C = ΔT

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.

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