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How many electrons in a ground-state krypton atom are in orbitals labeled by ml = 1
How would the boiling of a liquid be affected if it measured on top of mount everest?
If yeast were supplied with glucose labelled with 14C at the C-1 position to produce ethanol and CO2 anaerobically, would the label appear in the CO2
How much heat in Kilojoules must be removed from a glass of water that contains 100G if water to lower its temperature from 30C to 15C.
Suppose at some temperature, Kc= 6.20 X 10^8 for the reaction 2NO(g) + 2H2(g) N2 (g) + 2H2O(g). 5.00 M NO(g) and 5.00 M H2 (g) are placed in a reaction flask. Calculate the equilibrium concentration of H2 (g)
a chemist makes an hbr hydrogen bromide sample and observes that this sample occupies capacity of 279 ml at the
How many grams of MgCl2 will be produced when 15.8 g of Mg are mixed with 14.6 of Hcl. How many grams of CO2 does a plant use to make 100 g of sugar
Why do you think the enthalpy of activation, (REFER TO THE PICTURE), for a syn-periplanar elimination is higher than that for an anti-periplanar elimination
Problem- A 1.325g sample of sodium oxalate (Na2C2O4) is dissolved in dilute H2SO4 and then titrated with a KMnO4 solution. If 30.95mL of the KMnO4 solution is required to reach the equivalence point, what is the molarity of the KMnO4 solution
prepare 250ml of a .5 mol/L aqueous solution of magnesium nitrae, Mg(N3)2. what mass of magnesium nitrate do you need?
In a calorimeter, 10.0 g of ice melts at 0oC. The enthalpy of fusion of the ice is 334 J/g. How much heat was absorbed?
A 5.0 g sample of greenish-yellow Cl2 gas is added to a 10.0 g sample of gray potassium metal to form a white solid in a sealed container. Write a balanced equation for the combination reaction that should occur.
Explain what mass of NCl must dissolve in 65 grams of water to lower the freezing point by 7.50 degrees Celsius? The freezing point depression constant, Kfp, for water is -1.86 degrees Celsius/m.
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