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
Oliga [24]
1 year ago
10

Most of the heat that’s melting the ice comes from the foil. That’s because metals are good conductors of heat. Heat from the su

rroundings flows into the foil and then from the foil into the ice. Draw arrows to show the amount and direction of heat transfer between the foil and the ice.

Chemistry
1 answer:
Musya8 [376]1 year ago
7 0

the rate of cooling decreases

You might be interested in
What is the volume of 88 grams of CO2 gas at STP?
I am Lyosha [343]
! mole of CO2 at STP has a volume of 22.4 liters
88 grams = 2 moles 

so the required volume = 2*22.4 = 44.8 liters
3 0
3 years ago
Thorium-234 has a half-life of 24.1 days. How many grams of a 150 g sample would you have after 120.5 days?
chubhunter [2.5K]

Answer:

8.625 grams of a 150 g sample of Thorium-234  would be left after 120.5 days

Explanation:

The nuclear half life represents the time taken for the initial amount of sample  to reduce into half of its mass.

We have given that the half life of thorium-234 is 24.1 days. Then it takes 24.1 days for a Thorium-234 sample to reduced to half of its initial amount.

Initial amount of Thorium-234 available as per the question is 150 grams

So now  we start with 150 grams  of Thorium-234

150 \times \frac{1}{2}=24.1

75 \times \frac{1}{2} =48.2

34.5 \times \frac{1}{2} =72.3

17.25 \times \frac{1}{2} =96.4

8.625\times \frac{1}{2} =120.5

So after 120.5 days the amount of sample that remains is 8.625g

In simpler way , we can use the below formula to find the sample left

A=A_{0} \cdot \frac{1}{2^{n}}

Where

A_0  is the initial sample amount  

n = the number of half-lives that pass in a given period of time.

7 0
3 years ago
What is chemical reaction?<br>​
Aliun [14]

Answer:

a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction

3 0
3 years ago
Read 2 more answers
A 250ml glass of orange juice contains 22 grams of sugar. how much sugar is in a 2 liter (2.500ml) bottle of orange juice?
Maslowich

220 grams of sugar would be in 2 liters of orange juice

5 0
3 years ago
What must be true of a disproportionate substance?
Rudik [331]

Answer:

Answer is D.it gains and loses electrons.

Explanation:

I hope it's helpful!

4 0
3 years ago
Read 2 more answers
Other questions:
  • Calculate the frequency (in Hertz) of light with a wavelength of 420 nm. What color is the light?
    12·1 answer
  • If there is a bar of iron and you heat it up will it weigh the same as it did before
    7·1 answer
  • Which of the following is a characteristic of a good roasting pan? ​
    6·1 answer
  • PLEASE HELP!! What is the percentage by mass of solution formed by dissolving 27.0 grams of HCl in 102.0 grams of water? 26.5% 2
    13·1 answer
  • How many liters of a 1.5 M solution can you make if you have .50 mol of KCl?
    9·1 answer
  • What happens to the DNA during interphase?
    5·2 answers
  • 3.) Plants make food through photosynthesis, and photosynthesis takes place mostly in plant in plant leave, but when plants lose
    10·2 answers
  • Look at pictures and help please
    15·1 answer
  • What is bond stability??​
    12·2 answers
  • What does pathological tissue growth mean? and add another word that means the same thing but not bigger need help pleases don't
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!