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BlackZzzverrR [31]
4 years ago
9

Which of the following statements is correct?

Chemistry
2 answers:
Vanyuwa [196]4 years ago
3 0
I would say that children need adults to be responsible leaders. For example, my son has a developmental disability which means things must be done just so for him to feel comfortable. Yesterday, we wanted to meet up with my wife who was at the beach. He goes with me on the weekend to help him with his errands etc. So we went to her sports brella but she was swimming. So he wanted to go to the usual place he gets his fish and chips at another nearby place and also where he usually swims. So we left and went to that place. Then my wife called that where were we? So i said we will be back. So finally, once he got his food, I drove us back to meet my wife (instead of having him swim in his usual place). I was I believe using leadership so we could be together as a family and taking the chance that he would be okay with swimming at the other beach, and it worked out. 
Yuliya22 [10]4 years ago
3 0

The correct answer is A. Children need adults to be responsible leaders.

Took the pf test and got 100%

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On hot days, you may have noticed potato chip bags seem to inflate, even though they have not been opened. If I have a 250 mL ba
MrRa [10]

The first law here is Charles's law and the new volume will be 285.08 mL

Converting degree celsius to kelvin when solving gas laws problem.

kelvin = degree celsius + 273.15

Kelvin = 19 + 273.15 = 292.15 K

Kelvin = 60 + 273.15 = 333.15 K

Given Data:

V1 (initital volume) = 250 ml

T1 (initial temperature) = 19°c or 292.15 K

V2 (final volume) = unknwon ?

T2 (final temperature) = 60°c  or 333.15 K

Charles' law which states that volume is directly proportional to temperature when the amount and pressure of the gas are constant.

Applying the formula, we get

V2 = V1T2 / T1

   = 250 ml × 333.15 K / 292.15 K    (cancel kelvin unit)

    = 83287.5 ml / 292.15

    = 285.08 ml

The new volume will be 285.08 ml

brainly.com/question/16927784

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6 0
2 years ago
The water gained 900 J of energy, what was the energy change of the metal?
Gemiola [76]

Answer:

it lost 900J of energy I will assume and that would mean the change in energy is -900J

Explanation:

4 0
3 years ago
How did early modern<br> scientists learn about<br> cells without performing<br> experiments?
yulyashka [42]

robert hooke and his microscopeExplanation:

6 0
3 years ago
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Give the formula or name for the following binary acids:
ICE Princess25 [194]

Answer:

Formula and name of the binary acids.

Hydrochloric acid - HCl - Hydrogen chloride

Hydrobromic aci - HBr - Hydrogen bromide.

Explanation:

A substance which produces hydronium ions into water called binary acids.

most of the acids contain hydrogen in their chemical formula.

A binary acid composed of a hydrogen cation bonded to the one other element.

For example, HCl,HF and HI

The name and formula of the given binary acids is as follows.

Hydrochloric acid - HCl - Hydrogen chloride

Hydrobromic aci - HBr - Hydrogen bromide.

8 0
3 years ago
How many amino acids are there and what three general categories do they fall into (i do not mean chemical categories in this qu
julsineya [31]

Technically, there are an infinite number of possible amino acids, though we've found only 20 common ones that many organisms use and at least half a dozen obscure ones that specific organisms use. We focus only on the 20 common ones unless we're in a college level biochemistry course.

The three categories are nonpolar ones, polar ones, and charged ones. The nonpolar ones have non-polar side chains (no oxygens or nitrogens), the polar ones have polar side chains (most contain an OH group but no COOH group), the charged ones are either acidic or basic (has COOH group or a basic nitrogen).

6 0
3 years ago
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