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2 years ago

OMG PLS HELP ASAP!! It’s my FINAL and I need help. PLS!!

Chemistry

1 answer:

andrew-mc [135]2 years ago

7 0

Answer:

25.)Intrusive rocks have a coarse grained texture. Extrusive Igneous Rocks: ... Quick cooling means that mineral crystals don't have much time to grow, so these rocks have a very fine-grained or even glassy texture. Hot gas bubbles are often trapped in the quenched lava, forming a bubbly, vesicular texture.

Explanation:

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A vertical cylindrical tank contains 1.80 mol of an ideal gas under a pressure of 0.300 atm at 20.0°C. The round part of the tan

frez [133]

Answer:

Part A $m = 97.37$ Kg

Part B $H = 4.59$ meters

Explanation:

Part A

Pressure is equal to force per unit area

$P = \frac{F}{A}$

Here force is equal to the weight of the piston

Thus

$P = \frac{m*g}{A}$

On rearranging the equation, we get -

$m = \frac{PA}{g} \\$ $m = \frac{P\pi r^2}{g}$

Substituting the given values we get

$m = \frac{0.3*1.013*10^5*0.1^2}{9.8} \\m = 97.37$

Part B

We know that

$V = \pi r^2h\\$

On substituting the given values we get -

$pV = nRT\\V = \frac{nRT}{p}$

$V = \frac{1.8*8.314*293}{0.3039*10^5} \\V = 0.1442 m^3$

Height

$= \frac{V}{\pi r^2} \\= \frac{0.1442}{\pi 0.1^2} \\= 4.59$

4 0

3 years ago

Lift up the glass in one bowl, and place an effervescent tablet in the water beneath it. Quickly place the inverted glass over t

Ugo [173]

The glass containing the effervescence tablet has a greater air space than the other.

<h3>What is effervescence?</h3>

The term effervescence refers to the evolution of a gas. An effervescence tablet is a tablet that is designed to release the gas called carbon dioxide.

When we add the effervescence tablet and compare the level of the water in the two bowls, we will see that the water in the glass containing the effervescence tablet has a greater air space than the other.

Learn more about carbon dioxide:brainly.com/question/14445045

6 0

3 years ago

If the cell could no longer produce ATP, what would be the effect on the sarcoplasmic reticulum? If the cell could no longer pro

navik [9.2K]

Answer:

A. The muscle would not contract.

Explanation:

The sarcoplasmic reticulum is a specialized smooth endoplasmic reticulum that transmits electrical impulses and is the primary regulator of calcium storage, release, and reuptake. On the other hand, glycolysis and the mitochondria are responsible for cellular ATP production.

In the muscle, the SR and mitochondrial function are interconnected, ATP is used to lower myoplasmic calcium levels during muscle relaxation, this means that muscle contractility is linked to the control of sarcomeric Ca2+ delivery/removal and ATP generation/utilization.<em> If we have a failure to remove Ca2+ from the cytosol by not producing ATP, the muscle will be prevented from relaxation, subsequently there will be a decrease in muscle contraction too.</em>

I hope you find this information useful and interesting! Good luck!

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3 years ago

Homeostasis is important and therefore most diseases can be regarded as a result of its disturbance which is known as _________

yarga [219]

Answer:

Explanation:

Homeostatic imbalance

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4 years ago

What are the nitrogen bases that make up the DNA molecule and how do they pair up?

wariber [46]

There is a second nucleic acid in all cells called ribonucleic acid, or typically known as RNA. Like DNA, RNA is a polymer of nucleotides. Each of the nucleotides in RNA is made up of a nitrogenous base, a five-carbon sugar, and a phosphate group.

I really hope this helps, and I'm sorry if it doesn't It would be great if you posted the answer choices too.

3 0

3 years ago