Vsepr theory predicts linear geometry of electron groups have what angle around a central atom?

Lewis structure and molecular geometry for nh2cl

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate

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