Physics, 20.03.2021 01:20 yoyoho6218

The initial temperature of the mixture was +20 °C. The mixture froze at -1.5°C A total of 165 kJ of internal energy was transferred from the mixture to cool and
freeze it.
specific heat capacity of the mixture = 3500 J/kg °C
specific latent heat of fusion of the mixture = 255 000 J/kg
Calculate the mass of the mixture.
Give your answer to 2 significant figures.
[6 marks]

Answers: 1

Show answers

Another question on Physics

Physics, 21.06.2019 21:30

Apendulum has a mass of 1.5 kg and starts at a height of 0.4 m. if it is released from rest, how fast is it going when it reaches the lowest point of its path? acceleration due to gravity is g = 9.8 m/s2. a. 2.8 m/s b. 0 m/s c. 5.9 m/s d. 4.3 m/s

Answers: 1

Answer

Physics, 22.06.2019 09:00

The pressure proportional to the area a- inversely b- directly c- increase d-decrease

Answers: 2

Answer

Physics, 22.06.2019 11:30

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

Answers: 2

Answer

Physics, 22.06.2019 15:20

What component of earth’s atmosphere exists entirely as a result of photosynthesis?

Answers: 2

Answer

You know the right answer?

The initial temperature of the mixture was +20 °C. The mixture froze at -1.5°C A total of 165 kJ of...

Questions

Mathematics, 12.01.2021 15:20

The value of a vinyl record that Katie purchased in 2016 was $42.20. The value of the record was expected to increase by 3.25% per year. How much more...

Mathematics, 12.01.2021 15:20

What is the relationship between isometry and symmetry pls said it in your words I need help!!...

Mathematics, 12.01.2021 15:20

Robert was paid a 25% commission on sales. If he was paid $240.00, what were his total sales?...

Biology, 12.01.2021 15:20

Cells use a large amount of energy replicating DNA. Even more energy is used to check that each new DNA strand is an exact copy before it replicates a...

Mathematics, 12.01.2021 15:20

Choose the function whose graph is given by: ...

History, 12.01.2021 15:20

Use your own words to retell the life of the Buddha from birth to enlightenment. Put events in chronological order and incorporate transitional words...

Physics, 12.01.2021 15:20

What are the application of pressure in our daily life give any two examples...

Mathematics, 12.01.2021 15:20

Anyone please this answer fast for grade6 ...

Mathematics, 12.01.2021 15:20

Mr. McShane was paid $240.00 on sales of $1,200. What percent commission was he paid?...

Mathematics, 12.01.2021 15:20

A store pays $1.25 per pound for cat litter. One cubic foot of cat litter weighs about 48 pounds. What is the selling price of cat litter in the conta...

Mathematics, 12.01.2021 15:20

A stragitic defense strategy calls for missiles to be fired independelty at a target until the target us hit. Let the probability that any missile wil...

Mathematics, 12.01.2021 15:20

Sandra pays a matching game. In order to advance to the next level, she must score at least 10 points. She scores 18 points for correct matches and -6...

Mathematics, 12.01.2021 15:20

Which models show 40%? Check all that apply. A model with 4 shaded sections and 6 unshaded sections. A model with 40 shaded sections and 60 unshaded s...

Mathematics, 12.01.2021 15:20

What is the 30th term of the linear sequence below? -5,-7,-9,-11,-13...

Mathematics, 12.01.2021 15:20

The quotient of 56 and n is multiplied by 3. Create an equivalent expression using n to represent the unknown number....

Mathematics, 12.01.2021 15:20

30% of the apartments in a complex have one bedroom. If the complex has 400 apartments, how many have only one bedroom? 150 one bedroom apartments 120...

Engineering, 12.01.2021 15:20

HELP URGENT Auto desk inventor modelling plan

Biology, 12.01.2021 15:20

What are the two major portions of the cell cycle?...

English, 12.01.2021 15:20

Write a compare-and-contrast analysis of how culture shapes the heroes in Heart of a Samurai and Black Ships Before Troy. Use transition words in your...

Mathematics, 12.01.2021 15:20

Theresa Mitsoto invested $3,500 in a 3-year CD that paid 6.5% annual interest. She cashed out the CD at the end of two years with an early withdrawal...

More questions: Physics Another questions