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a. Which is the stronger base, HSO4- or H2O? b. Which is the stronger base, H2O or OCl-? c. Which is the stronger base, NH3 or C2H2ClO2-?
The orbital energy of any atomic species depends on factors other than the principle quantum number n and any given energy level in H is more stable than the same level in H+.
a graduated cylinder reads 4 ml of water.then a shell is dropped into it and the water level rises to 12 ml.what is the volume of the shell?
In which conversion is an oxidizing agent required? a. CH3CH2CH2CH3
A fishing boat accidentally spills 9 barrels of diesel oil into the ocean. Each barrel contains 42 gallons. If the oil film on the ocean is 2.5 × 10^2 nm thick, how many square meters will the oil slick cover?
When M2S3(s) is heated in air, it is converted to MO2(s). A 4.500-g sample of M2S3(s) shows a decrease in mass of 0.209 g when it is heated in air. What is the average atomic mass of M.
How much heat is required to warm 223 g of ice from -46.3°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
Using the given reduction potential determine what is the voltage for these given electrochemical cell
Nickel nitrate and potassium carbonate react to form nickel carbonate and potassium nitrate. How many milliliters of 0.55M Ni(NO3)¬2 are needed to react with 85 mL of 0.25M K2CO3?
How many grams of NH4Cl must be added to 424 mL of a 0.69 M solution of NH3 to prepare a pH = 9.00 buffer.
If 0.80 g of a gas occupies 295 mL at 25C and 680 mm Hg of pressure what is the molar mass of the gas?
Suppose an ice cube weighing 44.7 g at a temperature of -4 degree celcius is placed in 550 grams of water at a temperature of 23 degrees celcius.
A mixture of helium and neon gases is collected over water at 28.0 C and 745 mmHg. if the partial pressure of helium is 368 mmHg, what is the partial pressure of neon?
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