A0.1375-g sample of magnesium is burned in a constant-volume bomb calorimeter that has a heat capacity of 1769 j c1. the calorimeter contains exactly 300 g of water, and the temperature increases by 1: 126c. calculate the heat given o¤ by the burning magnesium, in kj g1 and in kj mol

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Idon’t know how to solve this question

Geothermal energy for industrial use is available almost anywhere. a.true b.false