500 calories of heat is added to 2.0 g of water at 80 degrees Celsius. How much steam is produced?
write the metric unit of length that is reasonable. a door is about 1 blank wide
The sum of twice a number and another number is 24. The difference of twice the first number and the other number is 12. Which system would model this situation, and what is the solution?
what is answer of 7 cubed
A certain brand of cereal costs $3.25 per box before sales tax is added. When you buy 5 or more boxes of this cereal you receive 1 additional box for free. What is the average cost per box of cereal for 6 boxes before sales tax are added ? Please helpp
What is the significance of the repetition of the word absurd in the play?
jeff bought 6 pairs of shoes and 4 jerseys for 560. Jersies cost 1/4 price of one pair of shoes. Find price of shoes and price of jersey
1. Pentane gas (C5H12) combusts with oxygen gas (O2) to form water (H2O) and carbon dioxide (CO2). Write a balanced chemical equation for this reaction and explain the scientific principle (statement) that requires the balancing of an equation to make it conform to reality
A group of 132 students chose baseball and soccer as their favorite sports in the ratio of 3:8. How many students chose soccer as their favorite sport?
a mechanic uses a chain and bloc pulley to lift a 875-kg engine 4.0 m to the top of the garage. the downward force on the chain over the 4.0 m distance is 5.0 x 10^4 N. a)calculate the work done in raseing the motor b)how much useful work was done c)what is the inefficiency of...