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A gas sample exerts pressure of 2.35 atm. at -15oC. Calculate the pressure exerted by this sample when the tempertature increases to 46oC, volume remaining constant.
How many moles of NH4NO2 would be required to form 25 grams of N2 in the following reaction
What would be the concentration of oxygen (in molarity units) if the gas had remained in the solution? C. Based on the above data, what is the rate of the reaction (in units of solution molarity per second)?
A mixture of gases contains 2.42 g of Kr, 4.58 g of Ar, and 5.74 g of NO2. What is the partial pressure in atm of each component of this mixture if it is held in a 11.5-L vessel at 31.3 oC? Use R = 0.0821 L-atm/mol-K as the value of the gas consta..
Carbon dioxide dissolves in water to form carbonic acid. Estimate the thermodynamic equilibrium constanst (K) for this reaction (delta Gf values: H2CO3= - 616.1, H2O= - 237.1, CO2= - 394.4) .
Draw an approximante titration curve for the titration of 75 mL of 0.020 M NH3 (pKa of NH4=9.24) with 0.10 M HCl. Label the axes
An infant's pulse rate is measured to be 133 +/- 7 beats/min. Explain what are the uncertainty as well as the percent uncertainty in this measurement
what is the quantity in grams of formic acid and sodium formate necessary to make 500 mL of a buffer that has a formic acid concentration of .75 M and a sodium formate concentration of .75 M?
Offer the structures of the expected main organic products(s) generated upon completion of the subsequent reaction scheme.
Ethanol normally boils at 78.4C. the boiling point elevation constant for ethanol is 1.22C/m. what is the boiling point of a 1.0 m solution
Calculate the molarity of each of the following solutions 20.0 g NaCl in 1.0 L H2O
Consider the following reaction: 2 B5H9 + 12 O2 => 5 B2O3 + 9 H2O How many molecules of B2O3 are made by the reaction of 164.9 g of B5H9
25.0ml of a 4.21M HCL solution at 25.2C and 50.0ml of a 2.2M NaOH solution at 25.2C are reacted together to give a temperature of 44.1C.
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