How much energy is required to heat 40g of water from -7 degrees celsius to 108 degrees celsius (lf= 335,000j/kg for ice)

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

Which sample at stp has the same number of atoms as 18 liters of ne at stp

The same side of the moon always faces earth because the