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Licemer1 [7]
3 years ago
11

PLZ HELP THIS IS DUE IN 2 MINS!!!!!!

Chemistry
1 answer:
antoniya [11.8K]3 years ago
5 0

Answer:

8. 3.333333n per minute

9. you

Explanation:

8. Divide 50 by 15 and you get 3.333333.

9. 100 divided by 15 is 6.66666. 100 divided by 14 is 7.14.

So you did more work.

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How are two atoms of the same element alike?
AnnyKZ [126]

Answer:

Explanation:

The nucleus of an atom contains neutrons and protons bonded tightly together. The same chemical element can have a different number of neutrons and still be the same element.

5 0
3 years ago
A uniform cylinder of mass 4.3 kg and radius 0.4 m rolls down a ramp inclined at an angle 0.15 radians to the horizontal. what i
tester [92]

The cylinder's acceleration is

a=\frac{gsin}{1+\frac{I}{mrL} }

= 2g\frac{sin}{3}θ

= \frac{2(9.8) sin (0.15 rad)}{3} \\=0.9763 \frac{m}{sec r}

<h3>How do you determine a cylinder's acceleration?</h3>

The cylinder's complete radius, R, from the center marks the contact point, therefore the torque created by friction is given by fR = I\alpha, where is the rotating acceleration. This rotational acceleration's corresponding linear acceleration, \alpha, is equal to R. The cylinder, which has its mass concentrated in its center, triumphs in the competition, followed by the disc and the hoop, with their respective final velocities being roughly 1.4:1.2:1. We can also see that our findings are unaffected by the cylinders' masses.

To learn more about Acceleration of cylinder, visit

brainly.com/question/13112282

#SPJ4

5 0
1 year ago
NOOOO LINNKKKSSS RIGHT ANSWERS ONLY!!!!!!
lawyer [7]
I belive its D if not right sorry.
3 0
2 years ago
Read 2 more answers
1 lb of CO2 occupies 0.6 ft^3 at a pressure of 200 psi. Determine the temperature of the system.
Anarel [89]

<u>Answer:</u> The temperature of the system is 273 K

<u>Explanation:</u>

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}  

Given mass of carbon dioxide = 1 lb = 453.6 g   (Conversion factor: 1 lb = 453.6 g)

Molar mass of carbon dioxide = 44 g/mol

Putting values in above equation, we get:

\text{Moles of carbon dioxide}=\frac{453.6g}{44g/mol}=10.31mol

To calculate the temperature of gas, we use the equation given by ideal gas equation:

PV = nRT

where,

P = Pressure of carbon dioxide = 200 psia = 13.6 atm   (Conversion factor:  1 psia = 0.068 atm)

V = Volume of carbon dioxide = 0.6ft^3=16.992L    (Conversion factor:  1ft^3=28.32L )

n = number of moles of carbon dioxide = 10.31 mol

R = Gas constant = 0.0821\text{ L atm }mol^{-1}K^{-1}

T = temperature of the system = ?

Putting values in above equation, we get:

13.6atm\times 16.992L=10.31mol\times 0.0821\text{ L atm }mol^{-1}K^{-1}\times T\\\\T=273K

Hence, the temperature of the system is 273 K

8 0
3 years ago
Question 4 of 10 Which phrase describes a scientific law? A. A claim that the volume and temperature of a gas are unrelated B. A
Serjik [45]

Answer:it’s C

Explanation:

I just got it wrong and it showed the the right answer

8 0
3 years ago
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