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Write a balanced chemical equation for the reaction between CN - and MnO4- in basic solution. The skeleton ionic reaction is given below. (Type your answer using the format [NH4]+ for NH4+, [Mg]2+ for Mg2+, and CO2 for CO2. Don't specify physical states. Use the lowest possible coefficients.) CN -(aq) + MnO4-(aq) CNO-(aq) + MnO2(s)
Calculate the standard heat of reaction, or , for this reaction using the given data. Also consider that the standard enthalpy of the formation of elements in their pure form is considered to be zero.
for the equilibriumh2g co2 g lt--gt h20 g cogkc 3.18 at 1106k. if each of the four species was initially present at a
A solution is made by mixing 506 mL of water and 198 mL ethanol. What is the concentration of ethanol in units of volume/volume percent.
calculate the mass of h2o produced when 12.0 g of glucose is combusted in a container of oxygen with a volume of 1.3 l
How many grams of ice at 0°C and 101.3kPa could be melted by the addition of 0.40kJ of heat? Find the molar heat of fusion.
Suppose that at a particular moment during the reaction, molecular hydrogen is reacting at the rate of -0.555 M/s. (a) At what rate is ammonia being formed?
Calculate the total number of ions in a single crystal of epsomite. Assume a crystal is cube?
Based on activation energies and energy changes and assuming that all collision factors are the same, answer the following questions: Which of the following reactions would be fastest in the forward direction
Calculate the volume of the gas, in liters, if 1.60mol has a pressure of 0.995atm at a temperature of -4^\circ C.
What is the OH- in a solution that has a pH of 4.92? Give your answer to 3 significant figures using E-notation (i.e., 1 number before and 2 after the decimal point)
Calculate the equilibirum concentration of all the gases( in class my instructor said that a method called the ICE table is useful. do you know how to do that?). b) calculate the numerical value of Kc.
an unknown gas sample is collected in a 255 ml countainer at 25c and 755 mm hg. how many moles of gas are present?
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