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miskamm [114]
3 years ago
7

Which element Shows very similar chemical properties to barium?​

Chemistry
1 answer:
IRINA_888 [86]3 years ago
5 0
Tanong mo sa pagong lol
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How many moles of CH4 are in 148.6 g? Round your answer to two decimal places.
Dafna1 [17]

Answer:

9.29 mol

Explanation:

Given data:

Number of moles = ?

Mass = 148.6 g

Solution:

Number of moles = mass/ molar mass

Molar mass of CH₄ = 16 g/mol

Now we will put the values in formula.

Number of moles = 148.6 g/ 16 g/mol

Number of moles = 9.29 mol

Thus 148.6 g have 9.29 moles.

6 0
2 years ago
When heating a chemical solution over an open flame in a test tube you should - A. keep a cork in the test tube so the solution
Alla [95]

Hello.

The answer is:  A. keep a cork in the test tube so the solution cannot spill out

B and C both could be very deadly and it shouldnt be D because if u have an open flame you shouldnt open it even if its not towards anyone.

have a nice day

3 0
3 years ago
If one were asked to choose between paper or plastic which would be chosen and which one would benefit the environment?
vekshin1
It would be plastic Becaus we can recreate things with plastic and other things that are recyclable. Since,we mostly cut down trees everyday for paper,not knowing that we are wasting natural resources, and destroying animal homes and food.
6 0
3 years ago
Which criteria determine whether a heterogeneous mixture is a colloid or a suspension
Artemon [7]
<span>whether the particles do not settle for an extended period of time</span>
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3 years ago
What are two benefits of scientists using a diagram to model the water cycle?
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I believe that the answer is A i could be wrong though.
5 0
2 years ago
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