When the following equation Br₂ + SO₂ + H₂O → H₂SO₄ + HBr is balanced, the coefficient, in the lowest whole number, of HBr is

a. 1

b. 2

c. 3

d. 4

e. 5

Where do subduction zones occur

When dynamite explodes, it releases a large amount of light and heat. This is an example of slow combustion rapid combustion an exothermic reaction an endothermic reaction a chemical change a physical change

The formation of frost on a cold windowpane is an example of which of the following? A. sublimation B. condensation C. deposition D. transpiration

What is the main reason there is more variation between N, P, As, Sb, and Bi? they are in different periods there are varying classifications of material different number of valence electrons increased number of subshells going down group

What is the molar ratio of N2 to H2O

What two items must be equal for a nuclear equation to be balanced?

When a calorimeter is used, no thermal energy is exchanged between the contents of the container and the outside air.

When adjusted for any changes in δh and δs with temperature, the standard free energy change δg∘t at 2400 k is equal to 1.22*105j/mol. calculate the equilibrium constant at 2400 k.?

What symbol represents "yields" or "forms" in a chemical reaction?

Hydrazine (N2H4) is a chemical compound used in rocket fuel. Which of the following represents the correct balanced equation for the reaction of hydrazine liquid with oxygen gas to produce nitrogen gas and steam? A.