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Mashcka [7]
3 years ago
14

1. The following equation represents the reaction between sodium and water.

Chemistry
1 answer:
artcher [175]3 years ago
8 0
Option C an oxidant only
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On a mission to a newly discovered planet, an astronaut finds gallium abundances of 61.29 % for 69Ga and 39.71 % for 71Ga. What
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3 years ago
How many moles are in 55.98g CF2Cl2
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No of moles = given mass ÷ molecular mass
n = 55.98 ÷ (12+19×2+35.5×2)
7 0
3 years ago
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1) How many moles are in 4.0x10^24 atoms?
-Dominant- [34]

Answer:

<h2>6.64 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L} \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{4 \times  {10}^{24} }{6.02 \times  {10}^{23} }   \\  = 6.644518...

We have the final answer as

<h3>6.64 moles</h3>

Hope this helps you

3 0
3 years ago
The molecules of DNA produced in replication are
Sphinxa [80]

The answer is a identical

7 0
3 years ago
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A 2.5 L container is filled with propane. The ambient temperature is 25°C and the
vlabodo [156]

Answer:

3.3atm is the new pressure of the container

Explanation:

In the car, the temperature of the container increases from 25°C  =298K to 55°C = 328K. To solve this question we must use the Boyle's law that state that the pressure of a gas is directly proportional to its absolute temperature under constant volume. The equation is:

P1T2 = P2T1

<em>Where P is pressure and T absolute temperature of 1, initial state of the gas and 2, final state.</em>

<em />

Replacing:

P1 = 3atm

T2 = 328K

P2 = ?

T1 = 298K

3atm*328K = P2*298K

P2 = 3.3atm is the new pressure of the container

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3 years ago
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