5. How many cal are needed to bring 1750 g ice from -20.0 °C to steam at 110 °C? 10. Calculate the energy needed to heat 25 g water from 65 °C to steam at 145 °C.

Help with these questions thanks :)

Look at the bean data from days 4–6. use these data to explain how natural selection changed the number of dark red walking beans over time. writing part

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

You exhale co2 which is produced during cellular respiration.  co2 combines with the water in your blood's plasma to make up one half of the body's most important buffer pair, carbonic acid.  the more physical activity you engage in, the more co2 your body is producing.  you can see this by putting some of the cabbage indicator in a glass and then blowing bubbles into it through a straw.  can you see a change in the color of the indicator?