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One of the reactions used in this lab actually occurs in two discrete steps, shown below. What is the overall net reaction that occurs?
Step 1: Na2CO3 (aq) + HCl (aq) --> HCO3^- (aq) + NaCl (aq)
Step 2: HCO3^- (aq) + HCl (aq) --> H2CO3 (aq) + NaCl (aq)
a metal container holding xenon gas xe has a pressure of 458 torr at 20 degrees celcius. at what temperature will the
1ml of 0.1M copper (II) nitrate Cu(NO3)2, is added to 1 ml of 0.1M barium chloride, BaCl2. What is the balanced net ionic equation
The maximum temperature attainable in the crucible on strong heating with a Bunsen burner is approximately 800°C. Can the magnesium evaporate under the conditions of this experiment? Why or why not?
A sample of neon has a volume of 780 mL when it is at a pressure of 751 mmHg. What will be the volume when the pressure is increased to 1389 mmHg?
The final supernatant when heated produced a purple flame. Identify which of these ions were present in the solution, which were absent, and for which ones no conclusions can be drawn.
The voltage generated by the zinc concentration cell described by, Zn(s)|Zn2 (aq, 0.100 M)||Zn2 (aq, ? M)|Zn(s) is 28.0 mV at 25 °C. Calculate the concentration of the Zn2
Find a formula for the curvature of the function P= nrt/v-nb - (an^2)/(v^2) ,where n, R, a, b,and T are treated as constants.
The mass spectrum of a compound that contains two bromine atoms gives isotope peaks with relative intensities of 1:2:1 for the M, M+2 and M+4 peaks, respectively. Explain why.
Calculate the mass percent of the solution. Calculate the molality of the solution. Calculate the molarity of the solution
what is the final temperature when 20.0 g of water specific heat capacity 4.184 jbullg-1bullk-1 at 80.0 ?c is mixed
The Henry's law constant for helium gas in water at 30°C is 3.7 10-4 M/atm; that for N2 at 30°C is 6.0 10-4 M/atm. If the two gases are each present at 1.2 atm pressure, calculate the solubility of each gas. What is the Molarity of He and N2
a solution of .64g adrenaline in 36.0 g of CCl4 elevates the boiling point by .49 degrees C. What is the molar mass of adrenaline.
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