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Question- When you are adding solids to the test tubes, what sample size should you use? Describe the sample size with words and shetch?
You have a balloon that is not permeable to gas molecules. The balloon is spherical and has a circumference of 3.141592654 m when it is filled with a gas at 20 EC and 1.0000 atm pressure.
Explain why the element bromine prefers to have its two atoms form covalent bonds rather than ionic bonds
calculate w and ?U when 1 mole of xenon gas assumed ideal under goes adiabatic expansion from 27?c to 127? assuming(heat capacity of constant volmue=12.5)
Estimate the value of the equilibrium constant at 610K for each of the following reactions. Delta Hf and S for BrCl is 14.6 kj/mol and 240.0 J/mol*K , respectively. Br2(g)+ Cl2(g) --> 2BrCl(g)
For the following reaction if the rate of disappearance of O2 is 0.0450 mol L-1s-1, what is the rate of formation N2O5(g)?
What is the total pressure of a mixture of the following gases. Oxygen with a partial pressure of 221 mmHg, nitrogen with a partial pressure of 467 mmHg, and helium with a partial pressure of 29 mmHg
Question- A voltaic cell consists of a Mn/Mn2+ half-cell and a Pb/Pb2+ half-cell. Calculate [Pb2+] when [Mn2+] is 2.7 M and Ecell = 0.11 V.
Methane and oxygen react to form carbon dioxide and water
write the decay reaction for each of the following processesa a decay of 232u and 234pu 92 94b szlig- decay of 45ca and
Given the procedures described for using Pateur pipets from part A of experiment 0 as well as literature densities if needed, define how you would
A metal oxide with the formula MO2 contains 21.23% oxygen by mass. Type the symbol for the element represented by M in the box below.
The excess HCL required 43.82 ml of 0.01185M Ba(OH)2 to complete the following reaction. What was the Molarity of the orginal HCL?
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