For gallium that has a melting point of 29.76 assuming that heat is gained at a rate of 1.0 J/sec, and the sample size is 10.0 g, calculate the heat of fusion for the material in kJ/mol.
It reaches 29.7 at 250 seconds and stays constant until 550 seconds.
In: Chemistry
In: Chemistry
A solution consists of 35 ppm of benzene. The density of the solution is 1.00g/mL. How many grams of benzene are in 1 g of solution? How many grams of benzene are in 1.0 L of the solution? What is the mass percentage of benzene in the solution? Please show calculations!
In: Chemistry
Calculate the equilibrium constant for the following reaction of a weak acid and base HClO(aq) + NH3(aq) NH4+(aq) + ClO-(aq) given Ka (HClO) = 2.8 × 10-8, Kb (NH3) = 1.8 × 10-5 and Kw = 1.0 × 10-14.
In: Chemistry
Consider a glass of 189 mL of water at 27°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved. To find the mass of water use the density of water = 1.0 g/mL
In: Chemistry
Consider a glass of 274 mL of water at 25°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved. To find the mass of water use the density of water = 1.0 g/mL.
In: Chemistry
Assignment about 2000 words on factors influencing auditor independent
1.0: Background of Study
2.0 Review of variables:
2.1- Audit Fee
2.2- Audit Firm Size
2.3 Audit Tenure
2.4 Audit Committee
3.0 Conclusion
4.0 Recommendation
In: Accounting
The Ksp of Al(OH)3 is 1.0 x 10-33. What is the solubility of Al(OH)3 in 0.0010 M Al(NO3)3? Give your answer using scientific notation and to 2 significant figures (i.e., one decimal place).
In: Chemistry
You are given the following spot rates:
| Time | Spot Rate |
| 0.25 | 2.2% |
| 0.50 | 2.8% |
| 0.75 | 3.1% |
| 1.0 | 3.7% |
Consider a one-year interest rate swap with a notional value of 3000. Determine the swap interest rate per quarter.
In: Finance
In: Physics