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Dmitry [639]
3 years ago
11

Which of these methods is best for separating sediment from a water mixture.

Chemistry
1 answer:
allochka39001 [22]3 years ago
8 0

Answer:

A

Explanation:

For example salt would stay as a crystal

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Please help!
cluponka [151]
IT IS D FOCAL POINT
P.S. im in middle school not trying to brag

3 0
4 years ago
Read 2 more answers
Why would heating up the human body be a bad choice for causing a chemical reaction?
Furkat [3]

Answer:

Explained below

Explanation:

The human body has a normal core temperature of around 37°C to 38°C.

Now, if it is heated up to say 39° to 40°C, fatigue will start to set in and the brain begins to tell the muscles to slow down.

If it's now heated to higher temperatures above above 41°C, the body will begin to experience heat exhaustion and therefore will start to shut down.

Due to this process, the body can't even sweat at that stage because blood flow to the skin will stops thereby making the body feel cold and clammy. Thus, chemical processes/reaction in the body will begin to be affected and the cells inside the body will start to deteriorate and thus there is now a huge risk of having multiple organ failure.

5 0
3 years ago
7. Two samples of gold must have the same
almond37 [142]
They must have the same density
6 0
3 years ago
Which of the following is a correct variation of the Joule's law equation? O A. P= I x R2 OB. P = V + OC. P = 12 V OD. P = V2 R​
Minchanka [31]

Answer:

P=\dfrac{V^2}{R}

Explanation:

Power is defined as the rate at which energy is dissipated.

Its mathematical form is given by :

P = VI

Where

V is voltage and I is current

Using Ohm's law :

I=\dfrac{V}{R}, R is resistance

Joule's law equation is given by :

P=\dfrac{V^2}{R}

Hence, the correct option is (d).

6 0
3 years ago
If you burn 59.1 g of hydrogen and produce 528 g of water , how much oxygen is reacted
shtirl [24]
Hydrogen + oxygen --> water
59,1g + x = 528g
528g - 59,1 = x
x = 468,9g
8 0
3 years ago
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