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atroni [7]
3 years ago
10

Help i will mark brainliest

Chemistry
2 answers:
kirill [66]3 years ago
7 0

Answer:

Image A

Explanation:

The hemisphere experiences summer when it is tilted towards the sun. Image a has the northern hemisphere tilted towards the sun.

Whitepunk [10]3 years ago
7 0

Answer:

image A

Explanation:

this is because the sun is hitting earth at a steep angle

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1. If temperature is increased, the number of<br> collisions per second
muminat

Answer:

If temperature increases, the number of collisions per second also increase because particles absorb energy.

hope this way the kind of answer you were looking for:)

6 0
3 years ago
Read 2 more answers
Which is a balanced chemical equation? A. C7H16 + 5O2 6CO2 + 4H2O B. C7H16 + 11O2 7CO2 + 8H2O C. C7H16 + 14O2 7CO2 +5H2O D. C7H1
nadya68 [22]

Answer:

\boxed{\text{B.}}

Explanation:

B.

\rm C$_7$H_{16}$ + 11O$_2$ $\longrightarrow \,$ 7CO$_2$ + 8H$_2$O

BALANCED. 7C, 16H, and 22O on each side of equation.

A.

\rm C$_7$H$_{16}$ + 5O$_2$ $\longrightarrow \,\rm 6CO$_2$ + 4H$_2$O

NOT BALANCED. 7C on left and 6C on right.

C.

\rm C$_7$H$_{16}$ + 14O$_2$ $\longrightarrow \,$ 7CO$_2$ + 5H$_2$O

NOT BALANCED. 16H on left and 10H on right.

D.

\rm C$_7$H$_{16}$ + 22O$_2$ $\longrightarrow \, $ 14CO$_2$ + 16H$_2$O

NOT BALANCED. 7C on left and 14C on right.

3 0
3 years ago
In healthcare settings where sterilization is an absolute necessity, what method of sterilization will typically be used?
tester [92]

Answer:

Disinfecting (or boiling)

Explanation:

They'd want to disinfect everything so that it is germless. Boiling is a possible answer as well because you can boil certain things to rid them of germs.

6 0
3 years ago
If aluminum has a mass of 22.3 g, how many liters of oxygen gas are required at STP?
IceJOKER [234]

Answer:

27.8

Explanation:

6 0
3 years ago
Using the “rule of 8” explain why carbon is the backbone of organic molecules
Sergeu [11.5K]

Answer:

Carbon has 4 valence electrons (electrons that are used in bonding), and therefore it can make 4 bonds which is the most one can (other than some exceptions, but in general it is the most). It wants to make 4 bonds so it can reach a full octet of 8 elections, hence the rule of 8.

Explanation:

8 0
2 years ago
Read 2 more answers
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