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german
2 years ago
15

What is the volume of a block with a length of 2.98 cm, a width of 1.08 cm, and a height of 4.17 cm?

Chemistry
1 answer:
vovangra [49]2 years ago
8 0
13.420728 cm3 (cubic centimeters)
So the answer choice would be (A) if you were rounding to the nearest tenth
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How many carbon atoms are in 4.00g of butane
Dmitrij [34]
1.66x10^23 atoms I hope this helps u
5 0
3 years ago
Read 2 more answers
C,H,O,+ 3HCI → C,HCl, + 3H20<br> right 5 possible mole ratios
Marina86 [1]

Answer:

Here's what I get  

Explanation:

I think this may be the equation you intended to write:

C₃H₅(OH)₃ + 3HCl ⟶ C₃H₅Cl₃ + 3H₂O

The mole ratios are the ratios of the coefficients in the balanced equation.

Here are some of the possible molar ratios.  

  1. C₃H₅(OH)₃:HCl        = 1:3
  2. C₃H₅(OH)₃:C₃H₅Cl₃ = 1:1
  3. C₃H₅(OH)₃:H₂O       = 1:3
  4.           HCl:C₃H₅Cl₃ = 3:1
  5.           HCl:H₂O       = 3:3
  6.    C₃H₅Cl₃:H₂O       = 1:3

4 0
3 years ago
If you take a 15.0-mL portion of the stock solution and dilute it to a total volume of 0.700 L , what will be the concentration
nadezda [96]

Answer:

0.321M would be the concentration of the final solution

Explanation:

In the problem, you are decreasing the concentration of a solution (The stock solution) by the addition of more solvent (This process is known as dilution).

You are increasing the volume of the solution from 15mL to 700mL, that means the solution <em>is diluted:</em>

700mL / 15mL = 46.67 times

Now, to know the concentration of a final solution we need to take the concentration of the stock solution. <em>Assuming the stock solution is 15M:</em>

15M / 46.67 =

<h3>0.321M would be the concentration of the final solution</h3>
4 0
3 years ago
Will these changes increase, decrease, or have no effect on the mean free path of the molecules in a gas sample?
lisabon 2012 [21]
According to the kinetic theory, the mean free path is the average distance a single atom or molecule of an element or compound travels with respect with the other atoms during a collision. The greater the mean free path, the more ideal the behavior of a gas molecule is because intermolecular forces are minimum. To understand which factors affect the mean free path, the equation is written below.

l = μ/P * √(πkT/2m), where
l is the mean free path
μ is the viscosity of the fluid
P is the pressure
k is the Boltzmann's constant
T is the absolute temperature
m is the molar mass

So, here are the general effects of the factors on the mean free path:

Mean free path increases when:
1. The fluid is viscous (↑μ)
2. At low pressures (↓P)
3. At high temperatures (↑T)
4. Very light masses (↓m)

The opposite is also true for when the mean free path decreases. Factors that are not found here have little or no effect.
6 0
4 years ago
Please help pleaseeee
mylen [45]

Answer:

The answer is C) two covalent bonds between adjacent molecules.

Explanation:

The exact definition of a double bond is, "a chemical bond in which two pairs of electrons are shared between two atoms. "<em> - Taken from Google Dictionary</em>

<em />

<em>The following information was taken from Wiki to help you understand the question, and so that no one thinks that I plagiarized: </em>

"A double bond in chemistry is a chemical bond between two chemical elements involving four bonding electrons instead of the usual two. The most common double bond occurs between two carbon atoms and can be found in alkenes. Many types of double bonds exist between two different elements."

I hope this helps!

<h2><u>PLEASE MARK BRAINLIEST!</u></h2>
8 0
4 years ago
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