1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
labwork [276]
2 years ago
12

How many pounds of ice are required to absorb 4900 kJ of heat as the ice melts? The heat of fusion of water is 0.334 kJ/g.

Chemistry
1 answer:
Goshia [24]2 years ago
5 0

Answer:

m = 32.34 pounds of ice.

Explanation:

In this case we need to use the following expression of heat:

q = m * ΔHf   (1)

Where:

q: heat absorbed in J or kJ

m: mass of the compound in g

ΔHf: heat of fusion of the water in kJ/g

We are asked to look for the mass of ice in pounds, so after we get the grams, we need to convert the grams to pounds, using the following conversion:

1 pound --------> 453.59 g   (2)

So, we have the heat and heat of fusion, from (1) let's solve for the mass, and then, using (2) the conversion to pounds:

q = m * ΔHf  

m =  q / ΔHf

m = 4900 / 0.334 = 14,670.66 g of ice

Now, the conversion to pounds:

m = 14,670.66 g * 1 pound/453.59 g

<h2>m = 32.34 pounds of ice.</h2>

Hope this helps  

You might be interested in
A kettle takes 3 minutes to boil. Calculate what part of an hour it is.​
daser333 [38]

Answer:

1/20

Explanation:

an hour is 60 minutes and its 3 minutes of an hour therefore its 3/60 hour  or 1/20 of an hour

3 0
2 years ago
Read 2 more answers
List the major types of intermolecular forces in order of increasing strength. Is there some overlap? That is, can the strongest
Doss [256]

Answer:

Failed to upload, Please Retry

Explanation:

Failed to upload, Please Retry

6 0
2 years ago
All Molecules in a compound are the_____<br> Please Help I don't know the answer.
jonny [76]
A compound<span> is a </span>molecule<span> that contains at least two different elements. </span>All compounds<span> are </span>molecules<span> but not </span>all molecules<span> are </span>compounds<span>. </span>Molecularhydrogen (H2<span>), </span>molecular<span> oxygen (O</span>2<span>) and </span>molecular<span> nitrogen (N</span>2) are notcompounds<span> because each is composed of a single element.</span>
3 0
3 years ago
question 11 use the internet to look up the sds for 2.0 m sodium hydroxide, naoh, to answer the following questions: a) list the
frozen [14]

The compound is basic in nature but the concentration substance is corrosive.

<h3>What is NaOH?</h3>

Sodium hydroxide is a compound that is formed from sodium and hydrogen as well as oxygen The compound is basic in nature but the concentration substance is corrosive.

a) The acute health effect of exposure to NaOH is skin burn while the chronic effect of exposure is damage to the lungs.

b) The first aid for the ingestion of NaOH is to take in plenty of water.

c) The compound is not flammable

d) The chemicals that could produce a dangerous reaction with NaOH are acids

e) To handle small spills, irrigate the affected area with plenty water and use lab coats, gloves and eye wear when working with the solution.

Learn more about sodium hydroxide:brainly.com/question/24010534

#SPJ1

5 0
1 year ago
Help please i give brainlist
shtirl [24]
The order of the answers are as follows:
B
C
D
A
5 0
3 years ago
Other questions:
  • Which pair of substances would most likely result in the production of a solid when reacting with a base? litmus and phenolphtha
    13·2 answers
  • What are two main types of sedimentary rocks
    10·2 answers
  • How many protons and electrons are in Hg+
    9·1 answer
  • Many tall buildings have a
    9·1 answer
  • The elements on the Periodic Table of the Elements are arranged in order of increasing
    12·2 answers
  • Please help I’ll give 9 points
    12·1 answer
  • I really need these solved, it’s asking for half equations!!
    14·1 answer
  • What is the total number of grams of a 32-gram sample of 32P remaining after 71.5 days of decay?
    12·1 answer
  • Match the alkane names and structures.<br> -butane<br> -methane<br> -ethane<br> -propane
    14·2 answers
  • Enter the atomic symbol for an atom with a mass number of 72 and an atomic number of 33.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!