Chemistry, 27.11.2019 20:31 izzy123abc
Given the thermochemical equations x 2 + 3 y 2 ⟶ 2 xy 3 δ h 1 = − 380 kj x 2 + 2 z 2 ⟶ 2 xz 2 δ h 2 = − 130 kj 2 y 2 + z 2 ⟶ 2 y 2 z δ h 3 = − 260 kj calculate the change in enthalpy for the reaction. 4 xy 3 + 7 z 2 ⟶ 6 y 2 z + 4 xz 2
Answers: 1
Chemistry, 21.06.2019 22:30
Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.
Answers: 2
Chemistry, 22.06.2019 15:00
Which of the following is the correct formula for copper (i) sulfate trihydrate? cuso4 · 3h2o cuso4(h2o)3 cu2so4(h2o)3 cu2so4 · 3h2o
Answers: 1
Chemistry, 22.06.2019 16:10
Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.
Answers: 1
Chemistry, 22.06.2019 18:30
Read the claim. breakfast is an important meal. it jump starts the body’s process of using calories to break down food. appetite can decrease with age, but going too long without eating causes metabolism to slow down. current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. who might benefit from this claim? people who have a fast metabolism stores that sell exercise equipment people who take vitamin supplements grocery stores that sell legumes
Answers: 1
Given the thermochemical equations x 2 + 3 y 2 ⟶ 2 xy 3 δ h 1 = − 380 kj x 2 + 2 z 2 ⟶ 2 xz 2 δ h 2...
Mathematics, 27.12.2019 03:31
English, 27.12.2019 03:31
Social Studies, 27.12.2019 03:31
Health, 27.12.2019 03:31
Social Studies, 27.12.2019 03:31
Mathematics, 27.12.2019 03:31
English, 27.12.2019 03:31
Mathematics, 27.12.2019 03:31