Chemistry, 12.05.2021 18:30 maxi12312345
A balloon that has a volume of 9.45L of helium is released at the ground where the pressure is 760mmHg. What is the volume of the balloon when it rises in the atmosphere to a place where pressure is 640mmHg
Answers: 1
Chemistry, 21.06.2019 22:30
Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.
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Chemistry, 22.06.2019 02:00
For each of the following types of reactions, write a general reaction formula in the symbolic form—for example, a + b → ab. single-displacement double-displacement synthesis decomposition
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Chemistry, 22.06.2019 03:50
Consider the reaction: n2(g) + o2(g) ? 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
Answers: 3
Chemistry, 22.06.2019 05:30
Compare and contrast physical changes with chemical changes.
Answers: 1
A balloon that has a volume of 9.45L of helium is released at the ground where the pressure is 760mm...
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