Sarah is making bread. She measures 0.6 kg of hot water into a bowl. The water needs to be at a temperature of
exactly 42°C in order for the yeast to function properly, but right now it is at 40°C. What mass of additional
water at 49°C should she add to make it the correct temperature? Assume no heat is transferred to the bowl or
to the outside air. And please show your work
Answers: 3
Physics, 22.06.2019 08:30
A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if it’s pressure is changed to 8.4 kpa while its temperature remains constant.
Answers: 3
Physics, 22.06.2019 11:50
Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?
Answers: 2
Physics, 22.06.2019 18:00
Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th
Answers: 3
Sarah is making bread. She measures 0.6 kg of hot water into a bowl. The water needs to be at a temp...
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