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tia_tia [17]
2 years ago
6

Please help me thanks so much....I’ll mark you?!?!:))))

Chemistry
1 answer:
Marrrta [24]2 years ago
5 0

Answer:

chemical

Explanation:

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Forces and Motion:Question 1
defon

Answer:

Velocity = 12 km/h

Explanation:

Velocity can be defined as the division between distance traveled and the time it took for that distance to be traveled:

  • Velocity = Distance / Time

With the above information in mind, we can calculate the velocity of the bicycle:

  • Velocity = 18 km / 1.5 h
  • Velocity = 12 km/h

Thus the velocity of the bicycle is 12 kilometers per hour.

3 0
2 years ago
The elements of the group IA are termed as alkali metals, because their ___ are alkaline.
Vadim26 [7]

The answer is hydroxides.

The elements of the group IA are termed as alkali metals, because their hydroxides are alkaline.

7 0
1 year ago
Is milk a solution, suspension, compound , colloid ?
kakasveta [241]

Answer:

Colloids (heterogeneous)

The difference between a colloid and a suspension is that the particles will not settle to the bottom over a period of time, they will stay suspended or float. An example of a colloid is milk. Milk is a mixture of liquid butterfat globules dispersed and suspended in water.

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2 years ago
18. What is the density of a substance with a mass of 0.90 kg and a volume of 1.2 mL?
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Explanation:

4 0
3 years ago
If the oxidation number of nitrogen in a certain molecule changes from +3 to -2 during a reaction, is the nitrogen oxidized or r
aliina [53]
The nitrogen has been reduced or has undergone reduction and it has gained one electron
7 0
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