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pochemuha
3 years ago
10

In which one of the following branches of natural science are properties of materials studied?

Chemistry
2 answers:
borishaifa [10]3 years ago
6 0
It's for sure chemistry. the study of materials (the periodic table, elements)
Leya [2.2K]3 years ago
3 0

Answer:

Chemistry maybe

Explanation:

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What is metallurgy?<br>​
xz_007 [3.2K]

Metallurgy is the science and technology of metals and alloys. The study of metallurgy can be divided into three general groups: ... Process metallurgy is concerned with the extraction of metals from their ores and the refining of metals.

8 0
2 years ago
A children's liquid medicine contains 100mg of active ingredient in 5 mL. If a child should receive 200 mg of the active ingredi
GaryK [48]
Answer: 10ml
In this question, you are given the liquid medicine concentration (100mg/5ml) and the doses of the medicine that must be taken(200mg). You are asked how much ml of the drug needed. Then the calculation would be:

Volume of drug needed= doses of the drug / drug concentration
Volume of drug needed= 200mg / (100mg/5ml)= 10ml

8 0
3 years ago
In a closed system containing three different gases as shown, X2 + Y2 2XY. Choose the TWO things that MUST happen as the volume
Kitty [74]

Answer:

3) The relative concentrations of each gas must remain constant.

4)The concentration of each gas will not change.

Explanation:

  • For the equilibrium system:

<em>X₂ + Y₂ ⇄ 2XY,</em>

The no. of moles of gases in each side is constant; there is 2 moles of gases at reactants side and 2 moles of gases at products side.

So, changing the volume will not affect on the equilibrium system.

<em>So, the right choice is:</em>

3) The relative concentrations of each gas must remain constant.

4)The concentration of each gas will not change.

5 0
3 years ago
Someone pls help me I will make you brain
Olegator [25]

Answer:

the second answer

Explanation:

5 0
3 years ago
Read 2 more answers
What am I calculating for when solving for 17.0 mL of ethanol, density of ethanol= 0.94 g/mL
True [87]

Answer:

you are caculating for the mass/wight of ethanol

Explanation:

DxV=M

5 0
3 years ago
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