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Chemistry

04/28/24

the spectator ions

________ + ________ → ________ + ________

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Chemistry

04/27/24

This question concerns the ideal gas law.

Determine the temperature of 0.105 moles of gas in a volume of 1750 mL at 15.0 bar. State your answer in degrees Fahrenheit.

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Chemistry

04/27/24

This question concerns the ideal gas law.

Determine the temperature of 0.105 moles of gas in a volume of 1750 mL at 15.0 bar. State your answer in degrees Fahrenheit.

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Answers •1

Chemistry

04/27/24

This problem has to do with the ideal gas law.

What volume is required to contain 100.0 moles O2 at STP?

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Chemistry

04/27/24

My question involves the approximations in the kinetic-molecular theory of gases.

State the approximate range of velocities and the mean velocity found in Argon atoms at 25*(degrees)C.

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Chemistry

04/27/24

My question is a General Chemistry that involves the heat capacity, heat of fusion, and heat of vaporization.

Calculate each of the following: a. the amount of heat required to warm 3.47 moles of water from 25*C to 55*C.b. the mass of steam required to release 3.65 x 10 to the 5th power kJ on... more

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Chemistry

04/27/24

My question is a general chemistry question that involves vapor pressure.

The pressure under the surface of a liquid is given by P=pgh. Use this equation to calculate the height of the fluid column in a barometer that uses water instead of mercury.

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Chemistry

04/27/24

My question is a General Chemistry that involves the heat capacity, heat of fusion, and heat of vaporization.

Calculate each of the following: a. the amount of heat required to warm 3.47 moles of water from 25*C to 55* C.b. the mass of steam required to release 3.65 x 10 to the 5th power kJ on... more

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Answers •1

Chemistry

04/27/24

Need help balancing with half-reaction ??

Write the half-reactions as they occur at each electrode and the net cell reaction for this electrochemical cell containing indium and cadmium.In(s) | In^3+(aq) || Cd^2+(aq) | Cd(s)Anode:Cathode:

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Chemistry

04/27/24

My questions is a general chemistry question that involves percent yields, theoretical yields, and the amounts of grams or moles of a substance required to process another substance.

To monitor levels of ozone, O3, in the air, an air sample is processed by an instrument that causes ozone to react with sodium iodide in the following reaction: O3 (g) + 2NaI (aq) + H2O (l) yields... more

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Chemistry

04/27/24

Need help with balancing half-reactions ??

Consider a galvanic cell in which Al^3+ is reduced to elemental aluminum and magnesium metal is oxidized to Mg^2+. Write the balanced half-cell reactions that take place at the cathode and at the... more

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Chemistry

04/27/24

Need help balancing half-reactions

Separate this redox reaction into its balanced component half-reactions. Use the symbol e^- for an electron.Cl2 + 2Na → 2 NaClOxidation Half-Reaction:Reduction Half-Reaction:

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Chemistry Math Calculus

04/26/24

Based on the information below, what equivalent oral daily dose, in milligrams of theophylline, should the patient receive upon discharge?

The drug aminophylline is 80% theophylline. A patient to be discharged from the hospital has been receiving aminophylline 40 mg/hour by IV infusion. Upon discharge, the physician orders oral... more

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Chemistry Math Calculus

04/26/24

Based on the details provided below, how many milliliters of the potassium chloride injection should be added by the pharmacist?

A patient is receiving an intravenous infusion containing 40 mEq of potassium chloride in 1000 mL of D5 ½NS (dextrose 5% in half normal saline). The infusion has been running at a rate of 80 mL per... more

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Chemistry

04/26/24

Heating and Cooling Curve Problems

Calculate the energy (in kJ) required to raise the temperature of 1.00 g H2O from -25.00C to-11.00C.Calculate the energy (in kJ) required to raise the temperature of 1.00 g H2O from -15.00C to... more

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Chemistry Math Calculus

04/26/24

Based on the details provided below, how many milliliters of the potassium chloride injection should be added by the pharmacist?

A patient is receiving an intravenous infusion containing 40 mEq of potassium chloride in 1000 mL of D5 ½NS (dextrose 5% in half normal saline). The infusion has been running at a rate of 80 mL per... more

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Answers •1

Chemistry Math Calculus

04/26/24

Based on the information below, what equivalent oral daily dose, in milligrams of theophylline, should the patient receive upon discharge?

The drug aminophylline is 80% theophylline. A patient to be discharged from the hospital has been receiving aminophylline 40 mg/hour by IV infusion. Upon discharge, the physician orders oral... more

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Answers •1

Chemistry

04/26/24

Balance the equation below by adding stoichiometric coefficients

Au + HNO3 + HCl --> HAuCl4 + NO2 + H2O What is the function of HCl?

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Chemistry

04/26/24

Balance the equation in basic conditions. Phases are optional.

CoCl2 + Na2O2 --> Co(OH)3 + Cl- + Na+

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Chemistry

04/26/24

Balance the equation in acidic conditions. Phases are optional

Cr2+ + H2MoO4 --> Cr3+ + Mo

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Chemistry

04/26/24