# J.T

Popular questions and responses by J.T
1. ## chemistry

What mass of PbCl2 would be found in 0.48 L of a saturated solution of PbCl2 if the Ksp of PbCl2 is 1.6 x 10-5?

2. ## Statistics

A researcher measures the following scores for a group of people. The X variable is the number of errors on a math test, and the Y variable is the person’s level of satisfaction with his/her performance. (a) With such ratio scores, what should the

3. ## Chemistry

You mix 50.0g of cold water at 0.00°C with 75.0g of hot water at 85.00°C. What is the final temperature of the mixture?

4. ## Chemistry

*Please check to see if overall values are put in the right place!* Type of metal used= Copper Mass of metal object= 72.5 g Specific heat of copper= .385 J/g C° Mass of empty styrofoam cup= 3.264 g Mass of styrofoam cup & water= 142.3 g Temp of water

5. ## Statistics

As part of studying the relationship between mental and physical health, you obtain the following heart rates: 73 72 67 74 78 84 79 71 76 76 79 81 75 80 78 76 78 In terms of differences in heart rates, interpret these data using the following: (a) the

6. ## chemistry

What mass of PbCl2 would be found in 0.48 L of a saturated solution of PbCl2 if the Ksp of PbCl2 is 1.6 x 10-5?

7. ## history

For the nation as a whole, what are the dangers of a shrinking middle class?