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How many grams of chromium would be electroplated by passing a constant current of 5.2 amperes through a solution containing chromium(III) sulfate for 45.0 minutes?(Cr: 52.00 g/mol)
Gaseous indium dihydride is formed from the elements at elevated temperature: In(g)+H2(g) (reactions goes both ways=double arrow) to InH2(g) with Kp=1.48 at 973 K
Carbon monoxide and water vapor, each at 190 Torr, were introduced into a 250 mL container. When the mixture reached equilibrium at 690 ?C, the partial pressure of CO2(g) was 108 Torr.
A mixture of 4.50 g of He, 12.0 g of Ne, and 29.0 g of Kr is placed in a cylinder at STP. Calculate the partial pressure of each gas.
Which of the following terms would be used in a description of the mechanism of this reaction? tertiary carbanion, 2-methylpentoxonium ion, sp hybridized pentyne, vicinal dihydroxide, or hydroxide ion.
Draw Lewis dot structures for each of the following molecules.
calculate the mass of CuS produced and the concentration of H+ ion produced by bubbling H2S into 1.00 L of 0.10 M CuCl2 (aq) solution. the net ionic equation
What is the volume (in mL) needed to make a 0.1273 M NaOH solution with 0.02534 moles of NaOH?
What mass of Sucrose(C12H22O11) should be combined with 456g of water to make a solution with an osmotic pressure of 8.05atm at 280K
How many carbon atoms does the sample contain?
Discuss in detail the healthcare applications of chemical reactions. Which chemical reactions would you consider to be of importance to healthcare professionals?
If a gas sample of a given size is moved into a larger container, the gas will expand to fill the container completely. What does this behavior imply about the attractive forces between gas particles?
If Ice melts at 273.15K with delta H fusion equaling 6.01kJ/ mol. An ice cube whose mass is 13.8 kg is dropped in a swimming pool whose temperature is held at 22.5 degrees Celsius.
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