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Using the following data for the specific volume of mercury, estimate the error in a temperature reading from a mercury-in-glass thermometer when the actual temperature is 600C. T (0C) Specific Volume (cm3 gm-1) 0 .0735560 60 .0743592 100 .0748981
A solution containing 0.750 g of an unknown substance in 30.0 g of cyclohexane was found to freeze at 3.1 C. What is the molar mss of the unlown substance?
10.0 mL of a 0.30 M sodium phosphate solution reacts with 20.0 mL of a 0.20 M lead(II) nitrate solution (assume no volume change). What is the concentration of phosphate ions left in solution after the reaction is complete
An aluminum engine block has a volume of 4.77 L and a mass of 12.88 kg .What is the density of the aluminum in grams per cubic centimeter?
Heating any of the three isomeric dimethylbenzenes with HF in the presence of BF3 to 80 C leads to the equilibrium mixture shown below: 1,2-Dimethylbenzene: 18% , 1,3-Dimethylbenzene: 58% , 1,4-Dimethylbenzene: 24%
To obtain the same antifreeze protection requires 76g of propylene glycol to replace each 62g of ethylene glycol. Calculate the mass of propylene glycol required to replace 7.00gal of ethylene glycol. The density of ethylene glycol is 1.12 .
When 49 mL of a solution containing 3.1 M AlCl3 is diluted to 53 mL, a dilute solution is formed. How many moles of Al3+ ions are contained in 14 mL of the dilute solution
If 545 mL of oxygen gas is collected at 21ºC and 754 mm Hg, what is its volume at STP?
An experiment shows that a 248 -mL gas sample has a mass of 0.433 g at a pressure of 749 mmHg and a temperature of 29*C. What is the molar mass of the gas
Using structural formula, how would you write the chemical reaction which explains how the product of the acidification reaction reacts with OH-. How would this explain the changes in solubility?
It takes 46.0 to raise the temperature of an 11.2 piece of unknown metal from 13.0 to 25.0. What is the specific heat for the metal?
What final temperature, in degrees celcius, is needed to change the volume of the gas to each of the following, if n and P do not change?
Given the reaction of aA+bB-->cC, if "d" moles of A are combined with excess B, how much C can be formed?
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