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vekshin1
3 years ago
13

A covalent bond will usually form between

Chemistry
1 answer:
Paha777 [63]3 years ago
8 0
D. metal and a non-metal
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What's the answer to equation Ba+Br2=
Andrej [43]

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BaBr2, Barium Bromide

Explanation:

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Scientists observe patterns in how molecules interact with each other. At the same temperature, for example, liquids have more a
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2 years ago
Tony tuns on a fan on when his room becomes uncomfortably hot. The fan is an example of?
Lesechka [4]

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C-Electrical energy changed into mechanical energy

Explanation:

Energy, according to the law of conservation of energy, is said to neither be created or lost but only interchangeable from one form to another. Energy exists in different forms. The process by which one form of energy changes to another is called TRANSFORMATION of energy.

However, certain household appliances or devices bring about this transformation of energy. For example, in a case where Tony turns a fan on when his room becomes uncomfortably hot. The fan uses an electric source to get powered on, which then facilitates the blades of the fan to move fast in order to bring about a cool atmosphere.

The fan converts ELECTRICAL energy (electric source) into MECHANICAL energy (moving energy).

4 0
3 years ago
You try to measure out exactly 5.0 milliliters of water by eye into each of five test tubes. When you go back to check the volum
jeka94

Answer:

The volumes are both, accurate and precise.

Explanation:

In the measurement of a set, precision refers to how much coincidence exists in the measurements of an specific value, as the measurements are close, we can say the volumes are precise.

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Media is 4,96 ml and I wanted to measure 5 ml. It is also close.

6 0
3 years ago
2 questions, please help!!
Amanda [17]

i'd go for universal indicator, bromothymol blue and methyl red  

i mean, they have the degrees of acidity (specific color changes)  

they have wider ranges of color changes which will lead to the strength of acid  

you will know the degree of acidity of the cosmetics  

in fact, bromothymol blue is used to detect the slightest level of acid or base in a substance  

universal indicator has the pH charts; the range is big so that you can measure the level of acidity effectively  

methyl red is sensitive too as the other two mentioned earlier  

the other way that's not included in your choices is the pH meter  

unlike litmus papers which just have 2 results; either red or blue  

phenolphthalein only colorless, pale pink  

you won't know the degree of acidity  

hope that helps

7 0
3 years ago
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