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The selenite ion is an oxoanion of selenium bearing a negative two charge and containing three oxygen atoms. Write the formula for the selenite ion.
Given the reaction 2C2H2(g) + 5O2(g) ->4CO2(g) + 2H2O(g) , how much oxygen gas is needed for the complete combustion of 167 g of acetylene (C2H2)? Answer in units of g
what volume of 0.366M Ni(NO3)2 is required to completely react with 55.8 ml of 0.500M Na2CO3.
How much heat is required to take a 15.0 g sample of ice with an initial temperature of 0.00oC and raise it to a final temperature of 75.0 oC.
Consider the following equation: CO + 2 H2 → CH3OH ?H rxn = -128 kJ Calculate the amount of heat (in kJ) associated with complete reaction of 8.08 g H2.
how many grams of glucose must be dissolved in 563 greams of ethanol to prepoare a 2.40 x 10 -2 m solution?
A gaseous reaction occurs at a constant pressure of 50.0 atm and releases 73.4 kj of heat. Before the reaction, the volume of the system was 7.40L .
The solubility of CO2 in water at 25°C and 1 atm is 0.034 mol/L. What is its solubility under atmospheric conditions? (The partial pressure of CO2 in air is 0.0003 atm.) Assume that CO2 obeys Henry's law.
For the given reaction, 2 HCl (aq) + Ba(OH)2 (aq) BaCl2 (aq) + 2 H2O (l) 73.0 grams of HCl are allowed to react with 342 grams of BaCl2.
A mixture of O2, CO2, and N2 has a total pressure of 762. torr. In this mixture the partial pressure of O2 is 112. torr and the partial pressure of CO2 is 185. torr. What is the partial pressure of the N2 (in torr)?
Compute the value of ΔH ° if the combustion products are CO2 (g) and H2O (g). it isgiven that: CO 2 (g) = ΔHf ° - 393.5 kJmol-1; H 2 O (l) = ΔHf ° -285.8 kJmol-1; H 2 O (g) = ΔHf ° -241.8 kJmol -1.
Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron drops from the n = 4 state to the n = 1 state.
Calculate [H+] and the pH of the following solutions
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