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A balloon is filled to a volume of 7.00 x 102 mL at a temperature of 20.0 oC. The balloon is then cooled at constant pressure to a temperature of 1.00 x 102 K. What is the final volume of the balloon?
What mass of hydrogen can be produced from 2.90 g of aluminum and 14.0 g of HCl in the above unbalanced reaction?
Compounds of Reactions, Explain why compound A reacts 9000 times faster than compound B at 0 degrees
how many Liters of water can be made from 34 grams of oxygen gas and 6 grams of hydrogen gas at STP? what is the limiting reactant for this reaction?
A chemist wishes to prepare 200mL of a saturated solution of BaF2, the concentration of which is 6.3 x 10-3 mol/L. Determine the mass of BaF2 that will be needed to make up the 200mL of the solution.
A chemist found that a certain amount of a CFC gas required 186 seconds to effuse through a porous plug when the pressure was held constant.
Air is a mixture of N2,O2,Ar,Co2,Ne,He,CH4,lessor amounts of the other gases and possibly substantial amount of H2O in vapor form.
Bonding in some solids does not fit neatly into one of the four categories. Explain why the bonding in Na2CO3 is not purely ionic.
A new global sustainable business and industry incubator network is expanding into a Paris suburb. They want to make the newly acquired building and operations more environmentally friendly.
What is the final concentration of Na+ after adding 230 ml of water to a stock solution of 2.5M 420.0 ml Trisodium phosphate?
PH of solution during titration process, Q1: What is the pH of a 0.35 M solution of a weak acid HA with Ka = 1.41×10^-8?
At some temperature, a chemist found the following equilibrium concentrations. [Fe3+] = 6.63 10-3 M, [SCN-] = 7.36 10-3 M, [FeSCN2+] = 4.34 10-2 M
Determine the empirical formula of the amino acid, given an amino acid which consists of the elements carbon, hydrogen, nitrogen, and oxygen.
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