During science class, while studying mixtures, you mix together table salt and sand. your teacher challenges you to separate the salt from the sand. what property could you use and how would you use it?

Which statement describes the appearance of a temperature-vs.-time graph? a horizontal line shows that the temperature increases at a constant rate over time. a vertical line shows that the temperature decreases at a constant rate over time. horizontal lines where the temperature is constant during phase changes connect upward-sloping lines where the temperature increases. horizontal lines where the temperature increases are connected by upward-sloping lines where the temperature is constant for each phase.

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?