Consider the reaction: 2no(g)+o2(g)→2no2(g)estimate î”g∘ for this reaction at each temperature and predict whether or not the reaction will be spontaneous. (assume that î”h∘ and î”s∘ do not change too much within the given temperature range.)a) 298 kb) 723 kc) 842 k

Which metal exist in liquid state and can be cut with knife ?

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate