Determine the equilibrium constant for the dissolution
The solubility of CaCO3 at 25oC is 6.90x10^-5 the reaction is CaCO3(S) <=>Ca+2 (aq) + CO3-2(aq)
1. Determine the concentration of Ca+2 and CO3-2 at equilibrium.
2. Determine the equilibrium constant for the dissolution reaction.
Expected delivery within 24 Hours
Calculate the approximate sample mean, sample variance, sample standard deviation, sample median, and sample mode from the data in the following frequency distribution:
The combustion analysis of toluene, a common organic solvent, forms the 0.00137g of H2O and 0.00586g of CO2. If the compound contains only hydrogen and carbon, determine the molecular formula when the molecular mass is 92g/mol.
Hydrogen gas,H2(g) and the Carbon dioxide gas, CO2 (g), are brought together in a vessel and heated to1565oC. At this temperature they react to produce the water, H2O(g) and the carbon monoxide oxide, CO(g). Explain, are the reactants or the
Determine the numbers of electrons will aluminum gain or lose when it forms an ion? Write down a concise paragraph explaining what is meant by the "diagonal effect" and explain how it can be accounted for.
Determine the concentration of Ca+2 and CO3-2 at equilibrium. Determine the equilibrium constant for the dissolution reaction.
A 2.0-L vessel contains the 4.65g of a gas at 1.00 atm and 27.0 degree C. Determine the density of the gas in grams per liter. Determine the molar mass of the gas?
Explain how much calcium would be needed to make 15.0g of calcium oxide if the calcium oxide can be prepared by heating calcium metal in oxygen.
Determine the numbers of mL of 1M CuSO4 is required for 1g Zn to completely react based on the equation : Zn(s) +CuSO4(aq) --> Cu(s) +ZnSO4(aq)
Determine the average mass percent of oxygen in potassium chlorate using your two experimental values. Is it lower than either of your individual experiments How well do your experimental results match the theoretical value?
1942518
Questions Asked
3,689
Active Tutors
1458116
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Consider what you learned this week about the significance of nonverbal communication. Tell us about a time when your nonverbal cues were inconsistent
Did you feel prepared for this speech? How much time did you spend preparing for this speech? How many practice runs did you do?
1. Explain the impact of User Stories. How are good user stories written? What does a good user story look like?
You will write a comparison-contrast paragraph. You may choose any comparison-contrast approach related to persons, places, or things.
You are required to write a descriptive paragraph for this assignment. You may choose any person you have known personally or any place that was important
Begin by reading aloud/ listening to "I Hear America Singing" by Walt Whitman. Write your thought about the Whitman poem.
Choose your all-time favorite movie and write a short argument persuading the reader (your instructor) to watch the movie.