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aliina [53]
3 years ago
8

Perform the following

Chemistry
2 answers:
Sever21 [200]3 years ago
6 0

Answer:

8.97998

Explanation:

True [87]3 years ago
5 0
You use the least amount of sig figs in this case 4 from (3.100).

Answer would be 8.980 after rounding
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lakkis [162]
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2 neutral, proton
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3 years ago
Choose all that apply. What tools do scientists use to make decisions when employing reasoning skills?
andrey2020 [161]

Answer:

B, (logic) D (knowledge)

Explanation:

Problem solving refers to the ability to figure out an answer to a question. The question can be general, such as how to design an experiment, or it can be more specific, such as how to calculate speed (its distance divided by time). Reasoning is closely related to problem solving. When scientists reason, they use logic and knowledge to make conclusions and decisions. The processes of reasoning and problem solving are usually more educational than the answer. Figuring something out is a wonderful workout for your brain.

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Hope this helps!!!

7 0
3 years ago
Which is the most likely to be reduced
ollegr [7]

Answer:

B

Explanation:

4 0
3 years ago
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What is pollution ? briefly<br><br>​
Marrrta [24]

Answer:

pollution there are many kind of pollution..... water pollution is when people dumb and trash into the ocean and air pollution is when factories pump coal and other substance  to make light but also cause harmful gas into the atmosphere.

Explanation:

7 0
3 years ago
Given the standard enthalpy changes for the following two reactions:
lawyer [7]

Answer:

ΔH° = -186.2 kJ

Explanation:

Hello,

This case in which the Hess method is applied to compute the required chemical reaction. Thus, we should arrange the given first two reactions as:

(1) it is changed as:

SnCl2(s) --> Sn(s) + Cl2(g)...... ΔH° = 325.1 kJ

That is why the enthalpy of reaction sign is inverted.

(2) remains the same:

Sn(s) + 2Cl2(g) --> SnCl4(l)......ΔH° = -511.3 kJ

Therefore, by adding them, we obtain the requested chemical reaction:

(3) SnCl2(s) + Cl2(g) --> SnCl4(l)

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ΔH° = 325.1 kJ - 511.3 kJ

ΔH° = -186.2 kJ

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7 0
3 years ago
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