State how much heat is needed to raise the temp

Reference no: EM13182638

1. The specific heat of solid gold is 0.13 J/g * C. How much heat is needed to raise the temp. of 25.0 g of gold from 23C to it's melting point at 1063C? I know the answer is 3.4 KJ but need to know how to get the answer if unknown.

2. Calculate the heat of vaporization of zinc if 393 KJ is required to vaporize a 223g sample.

Reference no: EM13182638

Questions Cloud

The rydeberg equation calculate the energy of the transition : Using the rydeberg equation calculate the energy of the transition from lowest state, n=1, to the highest, n= infinity, for hydrogen atom.

Calculate the point price elasticity of demand : Last month, Rick's Bike Shop, Inc. increased the price on the 22-ounce can of Camp A bearing grease by 4.5 percent. In response, sales dropped by 9 percent. A) Calculate the point price elasticity of demand for Camp A bearing grease. B) Calculate..

Cost driver for the material handling activity : Under a costing system that allocates overhead on the basis of direct-labor hours, the material handling costs allocated to one mirror would be what amount?

Determine delta companys output that minimizes cost per unit : Determine Delta Company's output that minimizes cost per unit (ATC), the optimal price at this output and level of profits. Be sure to show whether your solution is a maximum or a minimum. B) Determine Delta Company's profit maximizing output (r..

State how much heat is needed to raise the temp : How much heat is needed to raise the temp. of 25.0 g of gold from 23C to it's melting point at 1063C? I know the answer is 3.4 KJ but need to know how to get the answer if unknown.

State what will the new volume of the gas : What will the new volume of the gas be if the temperature is increased to 150C and the pressure decreased to 0.95 atm?

What mass of solid kcl need to be added to water : What mass (in grams) of solid KCl would need to be added to 500 grams of water to make an ideal solution with a boiling point of 106.8

Identify the problems that appear to exist in ferguson : Identify the problems that appear to exist in Ferguson & Son Manufacturing Company's budgetary control system and explain how the problems are likely to reduce the effectiveness of the system.

Determine a good investment : Suppose you can invest in education that costs $10,000 each year for two years in a row. After that, you will receive additional income in the form of a higher salary of $15,000 for three years. If the interest rate is 4%, is this a good investm..

User Account

All Pages