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Question- How many calories of heat must be added to raise the temperature of 50.0 g of water from 35 to 50 degree c?
Answer all three questions and provide required steps
A 466-g of water is heated from 8.50°C to 74.60°C. Calculate the amount of heat absorbed (in kilojoules) by the water. The specific heat of liquid water is 4.184 J/(g °C).
What mass of Ag2CO3(s) in grams is theoretically produced by mixing 125 mL of 0.315 M Na2CO3(aq) and 75.0 mL of 0.155 M AgNO3(aq)?.
The density of titanium metal is 4.51g/cm3 at 25C. what mass of titanium displaces 125.0ml of water at 25c.
If the volume remains constant as the temperature is raised, the pressure exerted by the gas: A. Remains constant B. Steadily decreases C. First decreases and then increases D. First increases and then decreases
Problem- How many grams of dry NH4Cl need to be added to 1.50L of a .600M solution of ammonia NH3 to prepare a buffer solution that has a pH of 8.51. Kb for ammonia is 1.8 X 10-5, What is the mass of NH4Cl
Consider a chromatogram containing a single analyte with retention time of 4 minutes. The mobile phase elution time is 0.2 minutes. What is the capacity factor (k') for the analyte in question?
Calculate deltaH degrees for each of the following reactions: 4Na(s)+O29g) 2NaO(s) 2Na(s)+2H2O(l) 2NaOH(aq)+ H2(g)
If 5 moles of propane and 10 moles of oxygen are sealed in a container and burned, which reactant will be the limiting reactant, and how many moles of carbon dioxide will be produced?
Determine the molarity of a solution formed by dissolving 468 mg of MgI2 in enough water to yield
the vapor pressure of pure A and pure B are 76.5 kPa and 48.2 kPa respectively. When the total vapor pressure is .593 atm, calculate the mole fraction of A and B in the liquid mixture
Rank a series of molecules by expected solubility in water based on polarity and hydrogen bonding. Some slightly soluble compounds are included in this exercise.
Using stereoformulas, show that reduction of (R)-benzoin from the more hindered face would give give (R,R)-hydrobenzoin. Please no links to external sites. Be clear and concise.
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