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spayn [35]
3 years ago
8

Give me lil reasoning so I know your not lying for points

Chemistry
1 answer:
jeka943 years ago
3 0

Answer:

0.01 psi

Explanation:

If you look at the data points plotted on the graph, the slope of the line touches 0.1 for the y-axis when it is at 20 for the x-axis.

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In an experimental investigation, the variable that the researcher changes or manipulates in order to see its effects is called
Ghella [55]

Independent variables don't change

Dependent variables change as a result of the alteration made during the experiment

4 0
3 years ago
What is joules? plz help​
emmainna [20.7K]
That’s the SI unit of energy or work
7 0
3 years ago
Outline the two main observations that led Wegener to propose the theory of continental drift.
ArbitrLikvidat [17]

Answer:

for continental drift included the fit of the continents; the distribution of ancient fossils, rocks, and mountain ranges; and the locations of ancient climatic zone

Explanation:

8 0
3 years ago
A sample of ammonium nitrate, weighing 25.2 g, was added to a 150.0 mL container of H2O at 20.0 °C, and then is thoroughly disso
OLga [1]

Explanation:

It is known that the relation between heat energy, specific heat and change in temperature is as follows.

                            q = m \times C \times \Delta T

where,         q = heat released or absorbed

                    m = mass of substance

                    C = specific heat

             \Delta T = change in temperature

It is given that mass is 25.2 g and it is added to 150 ml container so total mass will be (25.2 g + 150 g) = 175.2 g, T_{1} is 20^{o}C, T_{2} is 8.5^{o}C, and specific heat of water is 4.184 J/g ^{o}C.

Hence, putting the given values into the above formula as follows.

                  q = m \times C \times \Delta T

                     = 175.2 g \times 4.184 J/g^{o}C \times (8.5 - 20)^{o}C

                      = 175.2 g \times 4.184 J/g^{o}C \times -11.5^{o}C

                     = -8430 J

As, 1 J = 0.001 kJ. Hence, -8430 J will also be equal to -8.43 kJ. The negative sign indicates that heat is being lost.

Thus, we can conclude that heat (kJ) was lost by the solution (surroundings) is 8.43 kJ.

6 0
4 years ago
If you have 6.02 x 1023 kittens, how many moles of kittens do you have?
ser-zykov [4K]
1 mole= 602,200,000,000,000,000,000,000 its just this huge number! =6.022 x 10 to the power of 23. So that's it I guess!
7 0
3 years ago
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