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A 391 ml sample of unknown HCL solution reacts completely with Na2CO3 to form 15.1g CO2, What was the concentration of the HCL solution?
A block of materials has dimensions by 3.2 cm by 8.6 cm by 4.1 cm. Its mass is 632 g. What is the density? Answer in units of of g/cm ^3
What mass of P4 is produced when 41.5 g of Ca3(PO4)2, 26.5 g of SiO2 and 7.80 g of C are reacted according to the equation: 2Ca3(PO4)2 + 6SiO2 + 10C ¼ P4 + 6CaSiO3 + 10C
if you had 21 moles of oxygen and 8 moles of ethane, what is the most moles of carbon dioxide possible?
Calculate the equilibrium concentrations of CO2, H2, and H2O at 800 K if only CO and H2O are present intially at concentrations of .119M?
If a student starts with 615g of Co(NO3)2 and obtains a 57.3% yield of CoS, what mass of CoS is isolated? Co(NO3)2 +K2S ---> CoS + 2KNO3
In photosynthesis, plants form glucose and oxygen from carbon dioxide and water. calculate delta H, delta S and delta G of the reaction. Delta H is 2800.
How many grams of Na3PO4 is needed to produce 575mL of a solution that has a concentration of Na+ ions of 1.50M?
Hydrocarbons are often reacted with steam to form H2, as shown for propane: C3H8(g) + 6 H2O(g) 3 CO2(g) + 10 H2(g) Calculate Kp for this reaction at a particular temperature
Predict the following Bronsted acid-base reaction at 25 C: HF+CL- -> HCL + F- (a)Predict whether K will be greater or smaller than one? (b)Does delta S prime and delta H prime make a greater contribution to delta G prime?
Organic chemistry, When 2-butene reacts with hydrogen chloride gas, only one product is detected, whereas when 1-butene reacts similarly
Calculating Volume, Pressure & Density, Calculate the density, in g/L, of SO2 at 75°C and 1.33 bar. (Round your answer to two decimal places)
At a particular temperature, K = 4.0 x 10^-7 for the reaction N2O4(g) ---> 2NO2(g). In an experiment, 1.0 mol N2O4 is placed in a 10.0L vessel. Calculate the concentrations of N2O4 and NO2 when this reaction reaches equilibrium.
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