Pls no links and no copying from other websites Score for Question 1: ___ of 5 points)
1. Consider the equation:S+3O2 → SO3
Is this equation balanced? Why or why not?
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(Score for Question 2: ___ of 5 points)
2. How do you know if a reaction is endothermic?
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Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these