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Vikki [24]
3 years ago
9

Why do oxygen and hydrogen connect (attach) underwater? ​

Chemistry
1 answer:
Usimov [2.4K]3 years ago
7 0
The slight positive charges on the hydrogen atoms in water molecules attract the slight negative charges on the oxygen atoms of the other water molecules
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Logs in a fire, and charged batteries are examples of?
vlabodo [156]

Answer:

Logs in a fire is an example of something burning, also changing its state of form. I think thats chemical change; going from wood to ashes. And charged batteries means they haven't been used yet or they were just charged, resulting in physical change.

Explanation:

I just learned this in science.

I hope this helps!

7 0
3 years ago
12. Which atoms or group of atoms make up the functional group of ethanol (CH3CH2OH)?
Montano1993 [528]

Answer:

Option A. the hydroxyl group (-OH)

Explanation:

Ethanol, CH₃CH₂OH belongs to the class of organic compound called alkanol.

They have general formula as R–OH

Where

R => is an alkyl group

OH => is the hydroxyl group

The hydroxyl group (OH) is the functional group of the alkanol (alcohol)

8 0
2 years ago
Which of the following can an isosceles triangle not be? an acute triangle a scalene triangle an equilateral triangle a right tr
zimovet [89]

Answer;

A scalene

Explanation;

A triangle is a geometric figure with three sides and three angles that always add up to 180 degrees.

Based on properties triangles can be classified as equilateral, scalene, isosceles and right triangles.

Equilateral triangles has all the three sides and the angles equal, an isosceles triangle has two of its sides equal, and two angles that are known as the base angles equal. A scalene triangle has all the three angles and sides different from each other. A right triangle is a triangle in which one of the angle is right angle or is 90 degrees.

An isosceles triangle may be a right triangle, equilateral triangle, and also may be an acute triangle, however an isosceles triangle can never be a scalene triangle



6 0
3 years ago
Read 2 more answers
What are the four indicators that a chemical reaction has occurred?
poizon [28]

Answer:

1. Formation of a gas

2. Formation of precipitate

3. Liberation or absorption of heat, light, or some form of energy

4. Distinct change in color

<em><u>Hope this helps!</u></em>

<em><u>Please mark brainliest!</u></em>

3 0
2 years ago
The simplest type of stream cipher, one in which one letter or character is exchanged for another, is known as what?
QveST [7]

Answer: This is known as substitution cipher.

Explanation:

5 0
2 years ago
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