An engine has an input of heat energy of 10,750 J and does 2,420 J of work. Which of the following is the heat loss?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

What is the mass of the same rock on the earth

If an atom contains 11 protons in its nucleus, predict the element with the atomic number and electronic configuration. will the number of electrons remain the same during the chemical reaction in such an atom? explain.