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what is a valid lewis electron dot structure showing electrons as dots and showing all non bonding electrons for C2Cl4 tetrachloroethylene and CO2 carbon dioxide
with 8 g of methane and 10g ammonia how much hydrogen cyanide will be formed?
A sample of neon gas has a volume of 282 mL AT 160 degrees celsius. The sample is cooled at constant pressure to a volume of 685 mL. What is its new temperature?
find the specific solubilities (in g/100g H2O) in both cold and hot water for AgCl, PbCl2, and Hg2Cl2.
Determine the longest wavelenght of light required to remove an electron from a sample of potassium metal, if the binding energy for an electron in K is 1.76*10^3 kJ/mol.
hydrogen peroxide is used as a cleaning agent in treatment of cuts and abrasions for several reasons. In the laboratory, small quantities of hydrogen peroxide can be prepared by the action of an acid on an alkaline earth metal peroxide, such as ba..
At 0.0oC, if the volume of air is 1.5 mL and the pressure of the atmosphere that day is 735 mmHg, what is the number of moles of air?
determine the numerical values for them the subscript hot, cold, and total stands for the hot brick, the cold brick and the sum of the two.
A canister is filled with 320 g of ice and 100. rm g of liquid water, both at 0 rm{^{circ}C} . The canister is placed in an oven until all the rm H_2O has boiled off and the canister is empty. How much energy in calories was absorbed?
A) How many ions will this compound create in aqueous solution ? B) What is the coordination number of chromium ?
An aqueous solution containing 35.0% by mass of an unknown covalent compund in water was found to have a freezing point of -3.5 deg C. Calculate the molar mass of the unknown compund.
A 0.100g of plant food was reacted and 0.963g of MgNH4PO4*6H2O was recovered. What is the mass% of P in the original sample?
The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted.
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