A helium gas is heated at constant volume from 100 kPa,

Introductory Chemistry 5
A lead fishing weight with a mass of 57 g absorbs 146 cal of heat. If its initial temperature is \(47\ ^{\circ}\mathrm{C}\), what is its final temperature? Equation Transcription: Text Transcription: 47

Chemistry 11
A 0.054 M \(\mathrm{HNO_2}\) solution is titrated with a KOH solution. What is \([\mathrm H^+]\) at half way to the equivalence point?

Myers' Psychology for AP 2
Which of the following is a positive correlation? a. As study time decreases, students achieve lower grades. b. As levels of self-esteem decline, levels of depression increase. c. People who exercise regularly are less likely to be obese. d. Gas mileage decreases as vehicle weight increases. e. Repea

Campbell Biology 9
During the redox reaction in glycolysis (step 6 in Figure 9.9), which molecule acts as the oxidizing agent? The reducing agent?

Organic Chemistry 9
Dimethylamine, (CH3)2NH, has a molecular weight of 45 and a boiling point of 7.4 C. Trimethylamine, (CH3)3N, has a higher molecular weight (59) but a lower boiling point (3.5 C). Explain this apparent discrepancy.

Essentials of Abnormal Psychology 8
Which of the following statements is true of cognitivebehavioral therapy (CBT) and interpersonal therapy (IPT) in the treatment of bulimia? a. CBT appears to work faster than IPT, but they both seem to have the same positive effect at a one-year follow-up. b. CBT and IPT appear to have the same impac

Principles of Economics 9
Advocates for setting monetary policy by rule rather than discretion often argue that a. central bankers with discretion are tempted to renege on their announced commitments to low inflation. b. central bankers following a rule will be more responsive to the needs of the political process. c. fiscal

Principles of Economics 9
Barney runs a small manufacturing company. He pays his employees about twice as much as other firms in the area, even though he could pay less and still recruit all the workers he needs. He believes that higher wages make his workers more loyal and hard-working. This is an example of a. a compensatin