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oksian1 [2.3K]
3 years ago
10

Convert 45.5 mmHg into kPa

Chemistry
1 answer:
Karolina [17]3 years ago
8 0

Answer:

for anapproximate result , divide the pressure value by 7.501

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What causes the sea floor to move apart at a sea floor spreading center A density B continental drift C paleomagnetism D convect
pochemuha

Answer: D convection currents

Explanation:

The seafloor spreading is a phenomena that occurs due to liberation of heat from the convection currents generated in the mantle. It makes the earth crust more plastic and less dense. This happens at divergent plate boundaries. As the plates move apart, the less denser material rises. It leads to the formation of mountain and crust cracks.

8 0
3 years ago
Help on both please and thanks
Mamont248 [21]

Answer:

1. Granite

2. 535.5J

Explanation:

1. The lower the specific heat capacity of a substance, which is the amount of heat needed to raise the temperature of a particular mass of substance by 1 °C or K, the slower the rate at which the temperature is raised.

In this question 1, the substance with the lowest specific heat capacity in J/gK is GRANITE, hence, it will raise temperature the slowest.

2. Using the formula as follows:

Q = m × c × ∆T

Where;

c = specific heat capacity

Q = amount of heat (J)

m = mass of substance

∆T = change in temperature (°C)

m = 35g, c = 0.45 J/g°C, ∆T = 54°C - 20°C = 34°C

Q = 35 × 0.45 × 34

Q = 535.5J

7 0
2 years ago
[06.04]On a potential energy diagram, the activation energy is greatest under which of the following conditions?
Nata [24]
The first one is the correct answer: <span>The potential energy of the products is greater than that of the reactants and the change in enthalpy is positive.<span> </span></span>
5 0
3 years ago
Read 2 more answers
What is a molecular dipole moment?
NeX [460]
A measure of the polarity of the molecule(s)
5 0
1 year ago
What is 1+2...................
Morgarella [4.7K]

Answer:

There are many different answers to that question but i believe, will all of the knowledge i have attained, that the answer is 3

Explanation:

7 0
3 years ago
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