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Problem- What is the density in (g/L) of a sample of nitrogen gas that occupies a volume of 6.78L at a pressure of 2.43 atm and temperature of 40.6 degrees Celsius
Please explain above problem in step by step manner so I can easily understand it
One isotope of a metallic element has mass number 65 and 35 neutrons in the nucleus. The cation derived from the isotope has 28 electrons. Write the symbol for this cation.
Assign an oxidation state to each atom in each polyatomic ion. Express answers as a signed integer. 1. CrO4^2- 2. Cr2O7^2- 3. PO4^3- 4. MnO4^-
enough of a monoprotic acid is dissolved in water to produce a 0.0170 m solution. the ph of the resulting solution is
a laser emits a pulse of light containing 7.99 times10-15 j of energy at a frequency of 3.32 times1015 hz. how many
Describe the preparation of 1.5 liters of a 0.1 M acetate buffer, pH 5.0, starting from solid sodium acetate trihydrate
A solution is prepared by mixing 50.0 ml of 0.10 MPb(No3)2 with 50.0 mL of 1.0 M KCl. Calculate the concentrations of PB+2 and Cl- at equilibrium(ksp=1.6 times 10^-5)
What is the product expected from the reaction of 1,3-butadiene and 3-sulfolene? Why is this not a major concern as a by-product
a current of 2.40 a is passed through a solution containing cu2aq for 30.0 minutes with copper metal being deposited at
How many grams of sodium bicarbonate and sodium carbonate, respectively, are needed to make 3 liters of 0.075 M buffer,
How many milliliters of 3.4 M NH4Cl must be added to 250 mL of 0.23 M NH3 to obtain a buffer solution having pH=9.40
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5.
What is the pH for a buffer solution containing 0.49 molar acetic acid and 0.02 molar potassium acetate
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