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Question- The molar heat of fusion for nitrogen is 710 j/mole. How many grams of N2 at it's melting point, can be melted by 1080 joules of heat
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A 479 mL sample of 0.9833 M HCl is mixed with 485 mL sample of NaOH (which has a pH of 13.48). What is the pH of the resulting solution?
a) Glucose is a carbonate that your body can burn for fuel. It is 40 percent C and 6.71 percent H by mass. The rest is O. What is the empirical formula of glucose b) The molar mass of glucose os 180.0 g/mol. what is the ...
How many moles of magnesium ion are present in 5.25g Mg 3 (PO 4 ) 2 ?
Nitro glyerine is an explosive used by the mining industry. It detonates according to the following equation: 4C 3 H 5 N 3 O 9 (l)→ 12CO 2 (g) + 6N 2 (g) +10H 2 O(g) + O 2 (g) What volume is occupied by the gases produce ...
The density of air at STP is 1.29g/L. If your stoppered the250mL flask contains 242mL of water(also the volume of air it would contain), calculate the mass of air in the flask under STP.
While heating your copper sulfur mixture the original crucible lid fell and was broken. You replace the lid with another one. You used the mass of the original lid in your calculations. However the mass of the second lid ...
1. Consider the reaction when aqueous solutions of nickel(II) bromide and sodium carbonate are combined. The net ionic equation for this reaction is: 2. Net ionic equation for the reaction that occurs when aqueous so ...
What are Transition Metals and what specifically happens to transition metals that results in solutions that give off distinct colors?
What is the molarity of a solution made by dissolving 20.0 g of CrCl2 in 0.150 L of solution?
A sample of gas in a cylinder has an initial volume of 56.0 L , and you have determined that it contains1.60 moles of gas. The next day you notice that some of the gas hasleaked out. The pressure and temperature remain t ...
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Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
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