lilrider797 lilrider797

06-10-2022
Chemistry

Answered

when 1 mol of no(g) forms from its elements, 90.29 kj of heat is absorbed.(a) write a balanced thermochemical equation. (include phases in your equation.)(b) what is δh when 3.76 g of no decomposes to its elements?

Answer :

Other Questions

which quantity has the greatest mass? 2.0 mol of nacl 2.0 mol of na 2o 2.0 mol of na all of these quantities have the same mass. 2.0 mol of o 2

potassium sulfate and barium bromide express your answer as a chemical equation. identify all of the phases in your answer. enter noreaction if no reaction occu

c) what are the concentrations of each of these histidine species in your ph 5.0 solution? show your work and remember to include the correct units in your fina

when 250-ml of 1.5-m al(no3)3 is mixed with 250-ml of 3.5-m na2co3 a precipitate forms. (a) write the net ionic equation, (b) determine the moles of precipitate

(b) These are Jay's results. Concentration of acid in mol/dm³ 0.1 0.1 0.5 0.5 1.0 1.0 2.0 2.0 Time taken to collect 10 cm³ gas in s 50 35 25 18 7 7 7 7 Catalyst

Use the data sheet with all of the data collected during the experiment presented in the animation. Use this data to graph temperature vs. time. This will be a

Since vinegar is 5% acetic acid and 95% water, find the mole ratio of acetic acid to water in 100 g of vinegar? Hint: Instead of determining % composition of el

Explain how the kinetic energy of the gas particles in a balloon are affected when the balloon is cooled. Use examples of changes in either pressure or volume a

of the five elements al, cl, i, na, rb, which has the most exothermic reaction? (e represents an atom.) what name is given to the energy for the reaction? hint:

1. five lines after equation 2 on page 1, you are asked why the concentrations of two substances will be equal. please give your answer here. 2. in the calculat