Hot water kept in a plate cools down faster then kept in a glass?

Which of the following statements describes a physical property? The substance has a higher density than water. A. The substance forms a solid when reacted with silver nitrate. B. The substance is highly reactive. C.

If 1.320 moles of CH4 reacts completely with oxygen, how many grams of H2O can be formed

Solutes usually dissolve best in cold solvents.

For the reaction below G° = + 33.0 kJ, H° = + 92.2 kJ, and S° = + 198.7 J/K. Estimate the temperature (K) at which this reaction becomes spontaneous. 2 NH3 (g) → N2 (g) + 3 H2 (g) a) 0.464k b) 166k c) 214k d) 298k e) 464k

Na2CO3 + CO2 + H2O → NaHCO3 1. Which of the following coefficients would correctly balance the chemical reaction shown above? A. 1,2,3,4 B. 1,1,1,2 C. 2,1,1,1 D. 2,2,3,1

How many atoms of S are there in one molecule of SH4?

Express the concentration of a 0.0250 m aqueous solution of fluoride, f-, in mass percentage and in parts per million. assume the density of the solution is 1.00 g/ml.

Which best describes the current atomic theory?

How can gravity's role in tectonic plate motion be described

What happens to the vapor pressure as more solute, such as sugar, is added to a solution? a. The vapor pressure increases c. The vapor pressure does not change b. The vapor pressure decreases d.