Consider the following reaction in a closed system: H2(g) + I2(g) -- 2HI(g) Which of the following will decrease the rate of the reaction? A add some H2
B. remove some HI
с. Increase the volume
D. Increase the temperature​

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

Asolution is made by dissolving 2.3 moles of sodium chloride (nacl) in 0.155 kilograms of water. if the molal boiling point constant for water (kb) is 0.51 °c/m, what would be the boiling point of this solution? show all the steps taken to solve this problem.

Ground state electron configuration for element v