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Simora [160]
3 years ago
5

What would be the greatest difference in using an open ceramic coffee mug rather than an insulated mug with a lid as a calorimet

er?
Chemistry
2 answers:
bekas [8.4K]3 years ago
4 0
Hmmm, I believe the answer is "Exchange of energy with the surroundings"
Margaret [11]3 years ago
3 0

Answer:

D

Explanation:

I just took the test

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In a boys hostel, 1206 eggs were bought for breakfast for the students. How many moles of eggs does this represent?
Evgen [1.6K]

Answer:

6.022×1023

Here, it has been asked how many eggs are in one mole of eggs. The eggs represent the unit which can be atom, ion or molecule. So by the definition of mole, 6.022×1023number of eggs are present in one mole of eggs.

8 0
2 years ago
What was the half-life of a new isotope?
REY [17]
The half-life of any substance is the amount of time taken for half of the original quantity of the substance present to decay. The half-life of a radioactive substance is characteristic to itself, and it may be millions of years long or it may be just a few seconds.

In order to determine the half-life of a substance, we simply use:
t(1/2) = ln(2) / λ

Where λ is the decay constant for that specific isotope.
8 0
3 years ago
As the atomic number increases, the number of _ _, too.
Morgarella [4.7K]

Answer:

Protons

Explanation:

The atomic number represents the number of protons. Therefore, as the atomic number increases, the number of protons does too.

I hope this helps! :)

8 0
2 years ago
Read 2 more answers
Какая система называется моделью химия
OlgaM077 [116]
I don’t understand, what does that say in english?
8 0
3 years ago
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What are the best topics to write a project work on EVS and Chemistry​
professor190 [17]

Answer:

It is better to do chemistry

Explanation:

So that you will learn more of chemicals

6 0
2 years ago
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