How many moles of helium atoms are there in 2. 4 x 1024 helium atoms?.

Answers

Answer 1

Answer:

n = (2.4 x 10^24 atoms) x ((1 mol)/(6.02 x 10^23 atoms)) = 4.0 mol


Related Questions

pizza with peparoni or pizza with mustard and pinaple choose wisley ; -)​

Answers

Answer:

This is an SAT question, so I will be proofreading this for grammar.

The first pizza should be capitalized.

Peparoni is spelled wrong

Pinaple is spelled wrong

wisely is spelled wrong

There should be a period between "pinaple" and "choose"

The first half beginning with "pizza" and ending with "pinaple" is an incomplete sentence.

By the way, I would prefer pineapple.

Why doesn’t people like me?

Answers

they're fake people. trust me i've been in this stage of life multiple times

just keep your head and find the true ones :))

what this is brainly

Chocolate candy in your hand will eventually melt.

Answers

yes it would by the heat

Explanation:

heat makes stuff really hot

It takes 87 j of work to stretch an ideal spring, initially 1. 4 m from equilibrium, to a position 2. 9 m from equilibrium. What is the value of the spring constant (force constant) of this spring?.

Answers

The spring undergoes a change in potential energy of

1/2 k (2.9 m)² - 1/2 k (1.4 m)² = 87 J

Solve for k :

k ((2.9 m)² - (1.4 m)²) = 174 J

k = (174 J) / ((2.9 m)² - (1.4 m)²)

k ≈ 27 N/m

Place the events that form hurricane-force winds in order.

Answers

Answer: The events that form hurricane-force winds are as follows

1. Tropical disturbance

2. Tropical depression

3. Tropical storm

4. Hurricane.

Explanation:

All of the above-mentioned events happen in chronological order for the hurricane-force winds to occur.

1. Tropical disturbance occurs from the tropics and the subtropics. These are generally 100-300 miles in diameter. It is a tropical weather system of organized conventions. This is the first stage that consists of a loosely organized low-pressure area.

2. Tropical depression is a more organized deep convention and has a closed circulation of sustained winds of less than 39 mph.

3. Tropical storm is the third stage that has sustained winds between 39 - 73 mph.

4. The hurricane is created when the sustained winds finally reach or cross the speed of 74 mph.

This is how hurricane-force winds are created.

To learn more about hurricane

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The time that customers wait to be served at the deli for a grocery store follows the uniform distribution between 0 and 7 minutes. What is the probability that a randomly selected customer will wait more than 4 minutes at the deli?.

Answers

The probability that a randomly selected customer will wait more than 4 minutes at the deli is given below

The probability that a randomly selected customer will wait more than 4 minutes = [tex]0.4286[/tex]

The waiting time for the customers is uniformly distributed between 0 - 7 minutes

Consider a random variabe X that represents the waiting time of customers and uniformly distributed between 0-7 minutes

Therefore, the density function of X is determined as

[tex]f(x) = \frac{1}{b-a}\\\\f(x) = \frac{1}{7-0}\\\\f(x) = \frac{1}{7}[/tex]

The probability that the customer will wait more than 4minutes,

[tex]P(X>4) = \int\limits^7_4 f{x} \,dx\\\\= \int\limits^7_4 \, \frac{1}{7}dx\\\\= \frac{1}{7} * [x]^7_4\\\\= \frac{7-4}{7} \\\\= 0.4286[/tex]

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Which of the following statements is true about the occupations available to psychologists with a doctoral degree? a. Occupations are limited to social services jobs, mid-level managers, and financial positions. B. Occupations are vast and can include positions in universities, health care, and private industry. C. Occupations are confined to clinical and counseling positions in hospitals, schools, and prisons. D. Occupations are immense but competitive, so psychologists usually work in accounting.

Answers

Answer:

b

Explanation:

the answer is b ,

Occupations are vast and can include positions in universities, health care, and private industry

Answer:

its B

Explanation:

trust me

The chart shows shared characteristics of three different species. Which organisms are most closely related? species a and b species a and c species b and c species c and d.

Answers

Answer:

B and C are the correct ones.

Answer:

b and c

Explanation:

Which of the following statements is true regarding this data set: 41, 13, 17, 10, 5, 19?.

Answers

Answer:

this question is meaningless because Where the choice

According to a recent survey 31 percent of the residents of a certain state.

Answers

Answer:

the question is incomplete

Explanation:

The computer-related professional who writes codes for a wide range, from business software to games.

A)Software Tester

B)IT Manager

C)System Analyst

D)Computer Programmer

Answers

Answer: Im going to guess A

Explanation: I honestly don't know if its not correct please let me know eee

In texas longhorn cattle, coat coloration is an inherited trait. What is the genetic basis of coat-color variation in texas longhorn cattle?.

Answers

The genetic basis of coat-color variation in texas longhorn cattle is simply a result of the differences in the nucleotide of genes.

It should be noted that during gene transcription, there'll be a segment of a gene that's used in creating a complementary mRNA.

The differences in the nucleotide of genes will result in the genetic basis of coat-color variation in texas longhorn cattle. Some of the traits that are applicable to the cattle include color, confirmation, and personality.

Learn more about genetics on:

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Close reading: according to document d, why did texans revolt?.

Answers

Answer: We cannot tell you bc:

Explanation:

There is no document on here

The van der waals forces of attraction between molecules always become stronger as molecular size.

Answers

Answer: Decreases.

Explanation: the smaller the molecule the stronger the force

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