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3 years ago

(Science)(image attached)Pls help, due tmr

Chemistry

2 answers:

Anastasy [175]3 years ago

8 0

The answer would be 4 Wheeler :)

Lelu [443]3 years ago

6 0

Answer:

4-wheeler

Explanation:

I was thinking that you could say this:

My design is that the 4-wheeler will detect, with the help of technology, when something is approaching or you are very close to it. As the object gets closer, it will beep faster and louder. When the 4-wheeler beeps really fast and really loud, it means that you are about to crash or you are in danger. It will stop and launch an airbag so you stay safe. When the 4-wheeler stops, it will make a signal to let people know that you have stopped.

I am so sorry if this wasn't the response that you were looking for.

Hope this helped!

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How many moles of sf6 are there in 459500000000000000 molecules of sf6

Vlada [557]

Answer : The number of moles of $SF_6$ is, $7.63\times 10^{-7}$ moles.

Solution :

As we know that,

1 mole contains $6.022\times 10^{23}$ number of molecules

As, $6.022\times 10^{23}$ number of molecules of $SF_6$ are present in 1 mole of $SF_6$

So, $4595\times 10^{14}$ number of molecules of $SF_6$ are present in $\frac{4595\times 10^{14}}{6.022\times 10^{23}}=7.63\times 10^{-7}$ moles of $SF_6$

Therefore, the number of moles of $SF_6$ is, $7.63\times 10^{-7}$ moles.

5 0

3 years ago

What is the molarity of a solution that contains 0.400 mol HCl in 9.79 l solution?

Maslowich

Answer:

Option B, 0.0409 M

Explanation:

1) Data:

a) M = ?

b) n = 0.400 mol

V = 9.79 liters

2) Formula:

M = n / V (in liters)

3) Solution:

M = 0.400 mol / 9.79 liter = 0.04086 M

Since each data contain 3 significant digits, the answer must be reported with 3 significant digits. So, the correct answer is 0.0409 M, which is the option B.

8 0

4 years ago

What is immigration and emigration

Natasha2012 [34]

Immigration is moving from current place to somewhere else whereaese emigration is reverse of it .

8 0

3 years ago

Read 2 more answers

Heat being transferred from a hot pan to our food while cooking is an example of... *

stellarik [79]

A.conduction i hope it helps

6 0

3 years ago

What is the pH of a solution that has the same number of hydrogen ions as hydroxide ions?

Alexxx [7]

Answer:

Explanation:

cuz it is trust me hope it helps though

4 0

2 years ago

(Science)(image attached)Pls help, due tmr​

(Science)(image attached)Pls help, due tmr