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JulsSmile [24]
3 years ago
14

6. A group of students is performing a simple scientific investigation with baking soda and vinegar. The students place vinegar

in a beaker and put baking soda inside of a balloon. Then, the balloon with the baking soda is attached to the mouth of the beaker. The reaction of the baking soda being poured from the balloon into the beaker is shown Baking soda falls Vinegar and baking soda mixture into vinegar What evidence shows that a chemical change occurred with the baking soda and vinegar?
A The vinegar and baking soda released a gas.

B. The vinegar and baking soda gave off an odor.

C. The vinegar and baking soda produced a flame

. D. The vinegar and baking soda changed in temperature.​
Chemistry
1 answer:
natali 33 [55]3 years ago
5 0

Answer:

A. The vinegar and baking soda released a gas. Hope it helps. :)

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Which of the following latitudes receive the most direct solar energy?
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Answer:

The answer to your question is D.

Explanation:

The latitudes near the equator receives the most direct solar energy.

Hope this helps :)

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Consider a pot of water at 100 C. If it took 1,048,815 J of energy to vaporize the water and heat it to 135 C, how many grams of
jeka57 [31]

Answer:

There was 450.068g of water in the pot.

Explanation:

Latent heat of vaporisation = 2260 kJ/kg = 2260 J/g = L

Specific Heat of Steam = 2.010 kJ/kg C = 2.010 J/g = s

Let m = x g be the weight of water in the pot.

Energy required to vaporise water = mL = 2260x

Energy required to raise the temperature of water from 100 C to 135 C = msΔT = 70.35x

Total energy required = 2260x+x\times2.010\times(135-100)=2260x+70.35x=2330.35x

2330.35x=1048815\\x=450.068g

Hence, there was 450.068g of water in the pot.

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2 years ago
Provided is a diagram showing forces on a box.
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5 N left

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Tanzania [10]

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8 0
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A/an bonds allows metals to conduct electricity
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If I understand you correctly, you should fill the gap and decide which kind og bonds <span> allows metals to conduct electricity. If so, without any doubt I can say that the metalic bonds </span><span> allows metals to conduct electricity. I'm pretty sure it will help you! Regards.</span>
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3 years ago
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