# chemistry

if you burned a marshmallow with a net mass of 0.8g and you heated 49.1 g of water from an initial temperature of 24C to a final temperature of 28C what is the heat energy per gram of marshmallow? (express your answer in J/g)

a. 822 J/g
b. 1027 J/g
c. 4.184 J/g
d. 7210 J/g

1. 👍 0
2. 👎 0
3. 👁 61
1. q = mass water x specific heat water x (Tinial-Tinitial).
Then q/0.8 = J/g.

1. 👍 0
2. 👎 0
2. the answer I got is 1027 J/g.. right??

1. 👍 0
2. 👎 0
posted by alex

## Similar Questions

1. ### Chemistry

I'm doing a lab in chemistry and I need help with a question, here is my data: Mass Before: 26.4 g After burned: 26.25 g Total Mass burned: .15 g 1. Calculate the mass of oxygen that was consumed while the candle burned. I think I

asked by Patti on December 14, 2015
2. ### Chemistry

A small candle with a mass of 6.0 g was completely burned. the heat produced heated 100 g of water from 23.0 to 33.0 Celsius if 200 g were heated by the same candle the temperature change of the water would be: I don't understand

asked by Anonymous on February 22, 2015
3. ### Science

If the specific heat of a marshmallow is 2 J/g, how much heat is given off when it cools from room temp (25C) to its liquid nitrogen bath. Weight of the marshmallow 7.4g

asked by Jon on July 14, 2015
4. ### Math

Kalvin wants to eat Coco blast but his mom doesn't want him to because it's to sugary.So, Kalvin decides to flip a penny. Every time he gets a head he eats coco blast, and every time he gets tails he doesn't. Later on he found out

asked by Blair on March 31, 2010
5. ### Chem: stoich

I burned a candle for 3 minutes. It started with a mass of 38.53g (C25H52). It ended with a mass of 38.48g. What mass of water was produced in three minutes? If I burned the candle all day, what mass of the candle would react?

asked by Stephanie on March 24, 2009
6. ### Chem Stoic

I burned a candle for 3 minutes. It started with a mass of 38.53g (C25H52). It ended with a mass of 38.48g. What mass of water was produced in three minutes? If I burned the candle all day, what mass of the candle would react?

asked by BRochacho on March 13, 2013
7. ### CHEMistry

To find the net mass of something do you subtract the average mass of an empty can from the average mass of cans of regular soda. So I can calculate the density of cola. net mass of cola divided by volume of cola. What does net

asked by LAUREN on August 29, 2011
8. ### Chemistry

I know how to find a and b on this problem but how do I find c? Really would appreciate the help, thanks! The formula of a compound of iron and sulfur was determined using the method of mass measurements. A sample of iron was

asked by Jenny on February 21, 2010
9. ### phys

The space shuttle, with an initial mass M = 2.41E+6 kg, is launched from the surface of the earth with an initial net acceleration a = 26.1 m/s2. The rate of fuel consumption is R = 6.90E+3 kg/s. The shuttle reaches outer space

asked by leon on November 11, 2010
10. ### Physics

ok I'll be using a home work problem to ask the question. I'm not asking for help on the question I got the correct answer just need to understand this concept better. Calculate the acceelration due to gravity on the Moon. The

asked by QUESTION on September 12, 2009

More Similar Questions