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salantis [7]
3 years ago
10

How many atoms are in a 0.50 g sample of helium?

Chemistry
1 answer:
marta [7]3 years ago
5 0

Answer:

0.5 G

Explanation:

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PLEASE HELP ASAP IT URGENT!!!!!!!!
Elanso [62]

Answer: IT IS D

Explanation:

8 0
3 years ago
Which is true about reaction rates?
Oksana_A [137]

Answer:

the correct choice would be: 4. Reaction rates are not related to spontaneity.

Explanation:

The speed of reaction is independent of spontaneity, since it depends on other factors such as the amount of reagent.

The amount of reagent is one of the variables that most influences the speed of reaction, the greater the amount of reagent, the faster the reaction will be and thus the speed will be increased.

3 0
4 years ago
70<br><br> What is 27/100 plus 3/10 equals
Brut [27]

Answer:

that is my answer hope it helps you out

Explanation:

i got 1.40 for my answer

6 0
3 years ago
The KM is:A) equal to the product concentration at initial reaction conditions.B) equal to the substrate concentration when the
cestrela7 [59]

Answer:  equal to the substrate concentration when the reaction rate is half its maximal value.

Explanation: the KM is known as The Michaelis constant. The value of the Michaelis constant KM is numerically equal to the substrate concentration at which the reaction rate is half of Vmax.

The KM value for an enzyme depends on the particular substrate and on environmental conditions such as pH, temperature, and ionic strength.

6 0
3 years ago
Convert 345 g to kilograms (kg).<br> 1 kg = 1000 g<br> (please show work) ASAP
astraxan [27]

Answer:

345 converted to kilograms is 0.345

Explanation:

345 divided by 1000 is 0.345

6 0
3 years ago
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