A cube of iron (cp = 0. 450 j/g•°c) with a mass of 55. 8 g is heated from 25. 0°c to 49. 0°c. How much heat is required for this process? round your answer to three significant figures.

with such great emphasis put on the act and sat exams—the studying, the review sessions, taking the test, retaking the test, scholarships dependent on scores, etc.—many think the scores are the be all end all of college applications. if you have a high score, you can get into any college you want. if you have a low score, you’re doomed.

this is under sat questions? my answer is by walking