Given two temperatures, 39 °F and 51 °F, which of the following correctly compares the number of chances for particles to bounce off each other during a chemical reaction? Same at both
Lower at 39 °F
Lower at 51 OF
Does not depend on temperature

Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3 -> a2cr(no3)3 + a3ag2so4

What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j