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tester [92]
3 years ago
8

Match the term (Endothermic) with the correct definition

Chemistry
1 answer:
Darya [45]3 years ago
5 0

Answer:

energy goes into the chemical and cool downs the surrounding area.

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What is the molarity of 5.60 mol of sodium carbonate in 1500 ml of solution?
FrozenT [24]

Answer:

3.74 M

Explanation:

We know that molarity is moles divided by liters. The first thing to do here is convert your 1500 mL of solution to L. There's 1,000 mL in 1 L, so you need to divide 1500 by 1000:

1500 ÷ 1000 = 1.50

Now you can plug your values into the equation for molarity:

5.60 mol ÷ 1.50 L = 3.74 M

7 0
3 years ago
U have a lead ball with a mass of 420 g. The density of lead is 10.5 g/cm3. What is
salantis [7]

Answer:

40 cm^3

Explanation:

10.5 = 420 / x

x= 40

7 0
3 years ago
Read 2 more answers
About how many times longer than modern humans have hooved mammals lived on earth?
abruzzese [7]

Answer:

I think it should be about maybe the times of the dinosaurs

also I think 23 to 16 billion years

Explanation:

No explanation sorry if im wrong

8 0
3 years ago
What law determines that chemical equations must be balanced? What does this law say?
NNADVOKAT [17]
This is seen in the first law of Thermodynamics stating that matter and energy cannot be destroyed nor created.
7 0
4 years ago
What is the element name for 2,5​
Nataly_w [17]

Answer:

I think it's vanadium

Explanation:

Hope this helps

4 0
3 years ago
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