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A diatomic gas X2 reacts with another diatomic gas Y2 to form gaseous XY3. 5,00 g of X2 contains 1,07 x 1023 molecules of X2. The compound XY3 contains 82,25% X by mass. Identify element X and Y
Pure acetic acid known as glacial acetic acid is a liquid with a density of 1.049g/mL at 25 degrees celicus. Calculate the molarity of a solution of acetic acid at 25 degrees celicus in enough water to make 250.0mL of solution.
A sample of solid ammonium sulfide (NH4)2S is placed in a closed bulb which is then filled with 0.0150 mol of inert HE gas. The pressure of the He at 25 degrees Celsius is 145 mmHg.
Determine the molecular geometries of the following molecules, How many unpaired electrons are there in the ground state of [Kr]4d^10 5s^2 or In+
Draw the abbreviated structural formula of the products of the complete hydrolysis of lidocain.
When you analyze the proteins by electrophoresis, you find that protein B moves further towards the positive end of the gel. Explain if this result is consistent with your hypothesis about the difference between the two proteins.
What is the percent yield for iron if the reaction of 65.0 of iron(III) oxide produces 45.0 of iron if Iron(III) oxide reacts with carbon monoxide to produce iron and carbon dioxide.?
An electron in the n=4 energy level of a He+ atom could be in any number of degenerate energy states or orbitals. List all of the possible values of the 1 and m1 quantum numbers for n=4, identify the 1 values in terms of the usual letters
hydrogen and oxygen gas combine explosively to produce water. write a balanced chemical equation for this process. if
If specific amount of carbon reacts with 1.00 g, 1.50 g, and 2.00 g of Hydrogen to form compounds of A, B, and C respectively,
If the partial pressure of a gas produced in a reaction was determined to be 0.35 atm in a 161.0 mL container and at a temperature of 25.0°C, how many moles of gas were produced? (Hint: Use the ideal gas law and convert temperature to Kelvin, volu..
Calculate delta S0 for the following processes: a.) Heating 1 mol of benzene(liquid) from 298K to 353 K at 1 bar pressure, neglecting any T- dependence of Cp.
Based on the stoichiometry, at what point does the limiting reactant change? show calculations to support your answer. The volume of acid HCL (10mL) is constant and mass of metal Mg (0.250g) is constant.
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