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Current weather conditions are T=15°C and PH2O=1360 Pa. What is the relative humidity in percentage?
How many liters of oxygen gas must be added at constant temperature and pressure if you need a total of 1.72 mol of oxygen gas in the vessel
Sodium has a density of 0.968g/cm3 and crystallizes with the body-centered cubic unit cell. Calculate the radius of a sodium atom in pm.
If the pH of the weak acid solution in is 2.34 after 7.20 mL of the NaOH was added, what is the Ka of the acid?
When 80 g of water (c = 4.19 J/g*C) initially at 48 degree C is poured into an 80 g glass container (c = 0.50 J/g*C) initially at 22 degree C.
What is the pH of a solution of 0.20M RbCHO2? Must use an ICE table (Initial Concentration, Change in Concentration, Equilibrium Concentration) and the quadratic formula unless the "x is small" approximation can be used.
When solid CaCO3 is heated, it decomposes to give solid CaO and CO2 gas. A volume of 285mL of gas is collected over water at a total pressure of 730mmHg and 16 °C. The vapor pressure of water at 16 °C is 14 mmHg. CaCO3(s)→CaO(s)+CO2(g)
The temperature risese to 19.1 degrees celsius. Neglecting the heat capacity of the container, what is the specific heat of metal? The specific heat of H2O (l) is 4.18 J/(g*C)
Question- If the product produce when styrene is reacted with sulfuric acid in the presence is 1-phenylethanol. What role did sulfuric acid play in this reaction
Depict the expanded structural formula for the product formed when each of the subsequent is reduced by hydrogen in the presence of a nickel catalyst.
Consider the subsequent reaction, equation concentrations and equilibrium constant at a particular temperature. Find out the equilibrium of SO3(g)
What will happen to the H2O when equilibrium is reestablished after the following stresses are applied. a. temperature is applied
a buffer is prepared by combining 10.0 g of NaH2PO4 with 150 mL of 0.20 M NaOH and diluting to 2.0 L. what is the pH of the buffer? (Ka (H2PO4-)= 6.2 x 10^-8)
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