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A sample of methane gas (CH4) at 12.8 oC is heated. The pressure increases from 1.10 atm to 3.06 atm, and the volume of the sample changes from 2.67 L to 4.57 L. To what temperature, in oC, was the methane heated?
neutral compound show traces of an acid as an impurity wheras the acid might not show any traces of a neutral compound?
Calculate the change in chemical potential of the 12g of carbon dioxide after being completely released from the cartridge at room temperature.
The resulting solution required 40.70 mL of 0.08765 M AgNO3(aq) to precipitate the Cl^- (aq) and Br^- (aq) as AgCl(s) and AgBr(s).
It takes 485 J of energy to raise the temperature of 104.1 g mercury from 20.0°C to 53.5°C. Calculate the specific heat capacity and the molar mass capacity of mercury.
Design a qualitative analysis scheme
Water dissolves table salt (NaCl) because: A. NaCl is hydrophobic. B. NaCl has a polar covalent bond. C. water molecules surround the Na and Cl ions due to electric attraction.
the hybridization of Carbon in this molecule? b) What would be its molecular shape? and c) What is the bond angle around the C atom?
What is the mechanism of the synthesis of the dye para red from anilin?
Predict if the following conditions would result in the formation of a precipitate, explain briefly: a) 0.0025 M Fe 3+ at pH 6.00
particular sample of pure iron requires 0.595 kJ of energy to raise its temperature from 25oC to 45oC. The specific heat of iron is 0.45 J/g oC. What must be the mass of the sample?
calculate the H3O+ concentration in an aqueous solution at 25*C with an OH- concentration of 3.00 x 10^-2M
An electron can freely move inside a 500pm x 500pm square box. Find the five lowest energy levels for this electron. Which of them are degenerate?
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