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If a 4.86g of solid carbon dioxide was placed into an evacuated 2 L container, sealed as well as then heated until it completely changed to a gas with a final temperature of 75 degrees calcium, what would be the pressure?
A buffer is prepared by dissolving 25.0 g of sodium acetate (NaC2H3O2), in 1.20 L of a solution of 0.560 M acetic acid (HC2H3O2). Assume that the volume remains the same after dissolving the NaC2H3O2
Calculate the pH when 6.80 g of NaBrO is added to 100. mL of a 0.500M HBrO solution (assume no change in volume). 8.76 b) Calculate the pH when 100 mL of 0.50 M NaOH is added to 100 mL of a 0.50M HBrO solution. 11.0
If you wanted to dilute a concentrated solution to make a solution that was 1/10 of its original concentration, how many milliliters of the concentrated solution would you need for a final volume of 250 mL of dilute solution
The results of this test demonstrate that the compound is 83.24% C and 16.76% H with a molar mass of 72 g/mole. What is the molecular formula for this compound?
What is the wavelength of a baseball having mass 100.0 g traveling at a speed of 160 km/hr? What is the wavelength of an electron traveling at the same speed
1. structure of cyclic trimetasilicate ion?2. structure and bonding inxef4.3. why has cd4 slightly lower boiling point
In basic solution CrO42- oxidizes HSnO2- to HSnO3- and is reduced to CrO2-. Write the balanced net ionic equation for this reaction. How many OH- are there in the balanced equation
Whats the melting point would be if you mixed acetanilide with 10 % by weight of naphthalene(acetanilide mp 113.5-114; naphthalene 80-82)
If 1.13 x 104J of heat is added to a water sample and the temperature rises from 88.0c to its boiling point, what mass of water is in the sample?
Calculate the final pH when 2.6 mmole NaOH is added to 1 mmole phosphoric acid, given pKa1 = 2.1, pKa2 = 7.2 and pKa3 = 12.4
Ethanol (C2H5OH) has a normal boiling point of 78.4 OC. Estimate Suniverse at this 50.0 OC for the process: C2H5OH (l) ? C2H5OH (g).
When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 16.8g of carbon were burned in the presence of 57.4g of oxygen, 12.6g of oxygen remained unreacted. What mass of carbon dioxide was produced
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