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Ivenika [448]
3 years ago
15

A baseball has a mass of 135 grams and a softball has a mass of 270 grams. In which of the following situations would they have

the same momentum? The baseball and softball are thrown at the same speed in the same direction.
Chemistry
1 answer:
liraira [26]3 years ago
8 0

Answer:

The baseball is thrown twice as fast as the softball in the same direction.

Explanation:

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Please help. it’s my last question.
ale4655 [162]
<h3>Further explanation </h3>

Given

Atomic symbol

Required

Atomic composition

Solution

Atomic number = number of protons = number of electrons

Mass Number (A) is the sum of protons and neutrons

Number of protons and Number of Neutrons  in nucleus

Number of electrons in the shell

From the picture:

protons = 3

neutrons = 4

electrons = 3

atomic number = protons = electrons = 3

mass number = protons + neutrons = 3+4 = 7

4 0
3 years ago
A super slow snail can travel 2.2cm in one minute. How far (in pm) can it travel in 24 hours? Please round to appropriate number
Cloud [144]

Answer : The distance covered by slow snail in 24 hours is 3.2\times 10^{13}pm

Explanation :

As we are given that the a slow snail can travel 2.2 cm in 1 minute. Now we have to calculate the distance covered by slow snail in 24 hours.

First we have to convert 24 hours in minutes.

Conversion used : (1 hour = 60 minutes)

As, 1 hour = 60 minutes

So, 24 hour = 24 × 60 minutes

                    = 1440 minutes

Now we have to calculate the distance covered by slow snail in 24 hours.

In 1 minute, the distance covered by slow snail = 2.2 cm

In 1440 minute, the distance covered by slow snail = 1440 × 2.2 cm

                                                                                     = 3168 cm

                                                                                     = 3.2\times 10^3cm

Now we have to convert 'cm' into 'pm'.

Conversion used : 1cm=10^{10}pm

As, 1cm=10^{10}pm

So,  3.2\times 10^3cm=\frac{3.2\times 10^3cm}{1cm}\times 10^{10}pm=3.2\times 10^{13}pm

Therefore, the distance covered by slow snail in 24 hours is 3.2\times 10^{13}pm

4 0
3 years ago
Which of the following substances dissolves most readily in water?
FrozenT [24]
The answer to you’re question is C. NH3
8 0
2 years ago
Which career is most concerned with the study of radioactive isotopes? biochemistnuclear chemistorganic chemistnuclear engineer
Andreyy89

Nuclear chemist is most concerned with the study of radioactive isotopes.

<h3>What is radioactive isotopes?</h3>
  • A chemical element in an unstable state that emits radiation as it decomposes and becomes more stable.
  • Radioisotopes can be created in a lab or in the natural world. They are utilized in imaging studies and therapy in medicine. likewise known as radionuclide.
  • For instance, soil and rocks contain naturally occurring radioactive isotopes of the elements Radium, Thorium, and Uranium.
  • Water also contains trace levels of uranium and thorium. Air contains radon, which is a byproduct of radium's radioactive disintegration.
  • There are 254 stable isotopes, although there are more than 3,000 radioisotopes, only roughly 84 of which are found in nature.

Learn more about radioisotopes here:

brainly.com/question/13076859

#SPJ4

8 0
1 year ago
How many moles are contained in 39 L of F2 gas at STP?
kaheart [24]

The number of moles contained in 39 L of F2 gas at STP is 1.74mol. Details on how to calculate number of moles can be found below.

<h3>How to calculate number of moles?</h3>

The number of moles of a gas at STP can be calculated using the following formula:

PV = nRT

Where;

  • P = pressure
  • V = volume
  • n = number of moles
  • R = gas law constant
  • T = temperature

At STP, the following applies:

  • T = 273K
  • P = 1 atm
  • R = 0.0821 Latm/molK

1 × 39 = n × 0.0821 × 273

39 = 22.41n

n = 1.74mol

Therefore, the number of moles contained in 39 L of F2 gas at STP is 1.74mol.

Learn more about number of moles at: brainly.com/question/14919968

4 0
2 years ago
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