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kompoz [17]
2 years ago
9

Ok so the answer for this question, A student measured the mass of salt that can dissolve in 100 mL of water at five different t

emperatures. Which variable should go in the X axis? The answer is B, the temperature of water. I do school on k12, so if you are too this is the correct answer for you! And since this quiz was pretty hard and confusing for many of us I am going to put all the answers for this quiz! For me this quiz is called 1.11 quiz: Analyze Results.
Question 1- A student measured the maximum mass of salt that can dissolve in 100 mL of water at five different temperatures. Which variable should go in the x-axis?
-The temperature of water

Question 2-Which type of graph would best show the the data collected from measuring time for a ball to fall from varying heights?
-A scatter plot

Question 3- A student measured the flow time of 10 g of honey at different temperatures and graphed the data.
-The temperature is the independent variable.

Question 4- What is the relationship between the variables on this graph?
- As the temperature increases, the flow time increases.

Question 5- What is missing from this graph? (Not an answer put the graph is called number of sunspots each year)
-Axis Label

I hope this helped everyone out! Feel free to ask me anything in the comments, I will try to answer them as fast a I can! (Also to add in here is that I'm in k12 so if these answers aren't correct then that would be why!)
Chemistry
1 answer:
Dmitriy789 [7]2 years ago
8 0

Answer:

penguin

Explanation:

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What is the mass number of an atom or ion with three protons, three neutrons, and three electrons?.
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Benzene is a starting material in the synthesis of nylon fibers and polystyrene (styrofoam). Its specific heat capacity is 1.74
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Answer:

D

Explanation:

The amount of energy released or absorbed is equal the product of the mass, the specific heat capacity and the temperature change. The temperature change being the difference between the final and initial temperature.

Q = mc∆T

Q = heat energy (Joules, J) m = mass of a substance (kg) c = specific heat (units J/g∙K)

∆ is a symbol meaning "the change in" ∆T = change in temperature (Kelvins, K)

From the data provided in the question, we can deduce that:

Q = 16.7KJ = 16,700J

m = 225g

c = 1.74J/g.k

For the temperature, let the final temperature be f. This means our ∆T = f - 20

16,700 = 225 * 1.74 * (f - 20)

16700 = 391.5 (f - 20)

f - 20 = 16700/391.5

f - 20 = 42.7

f = 20 + 42.7 = 62.7

5 0
2 years ago
Why is it important to have the International System of Units?
omeli [17]
<span>It can be used by scientists everywhere its important to have the International System of Units.</span>
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3 years ago
1. The density of a bar of soap is 0.8 g/mL. If the mass of the soap is 108.5 9.
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Answer:

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Explanation:

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v = 135.7375

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