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AlexFokin [52]
3 years ago
6

The shortest and direction of an object change in position ​

Chemistry
1 answer:
Furkat [3]3 years ago
7 0

Answer:

Distance and direction of an object's change in position from a starting point is - 16540126

Explanation:

The shortest distance between the beginning and ending of an object's motion is Distance.

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What does standard deviation reveal about data?
NISA [10]

Answer:

A. The average of all the data points

4 0
3 years ago
57. A recipe for s'mores calls for 2 graham crackers, 2 chocolate pieces and 1 marshmallow. If I
geniusboy [140]

Answer:Noble gases:

 are highly reactive.

 react only with other gases.

 do not appear in the periodic table.

 are not very reactive with other elements.

Explanation:Noble gases:

 are highly reactive.

 react only with other gases.

 do not appear in the periodic table.

 are not very reactive with other elements.

5 0
2 years ago
I need help with part B . please
myrzilka [38]
So it's good to map out what you know you have and work from there:
We have two liter measurements and one mole measurement, and we need to find the moles.

For this problem, think of it this way: 46 liters of gas = 1.4 moles.
If one side changes, the other has to as well (if the liters decrease, the moles decrease. if the liters increase, so do the moles.) What you can do is put this into a fraction:

  <span><u>1.4 moles</u></span>
      46 L   <span> </span>

if we know that each liter of gas is equal to x amount of moles, we know that 11.5 liters equals some amount of moles. You can put this into a fraction too, and make it equal to the other fraction:

   <span><u>1.4 moles</u></span> = <u>x moles</u> 
         46 L         11.5 L

Then get your calculator out and do some algebra.

11.5 * (1.4/46) = x

The answer should come out to be: 0.35 moles
8 0
3 years ago
10. A toy car travels 100 cm in 20 seconds traveling west. What is the velocity of the toy car? O 5cm/s 50 cm/s 5 cm/s west 50 c
astraxan [27]

5cm

Explanation:

you have to divide 100cm by 20 sec

7 0
3 years ago
How many atoms of Al(OH)3 in a 72 gram sample? please show work​
Lostsunrise [7]

Answer:

5.559*10^(23) atoms

Explanation:

Molar Mass of Al(OH)3 = 78 g/mol

(72g/78g/mol)*(6.022*10^(23)atoms/mol) = 5.559*10^(23) atoms in 72 grams of Al(OH)3

4 0
3 years ago
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