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3 years ago

Sodium atoms differ from sodium ions in that sodium atom contains

Chemistry

1 answer:

Olenka [21]3 years ago

3 0

Explanation:

sodium atom is neutral while sodium ion is a charged specie with a charge of +1

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How do you do this

yaroslaw [1]

Answer:

The volume of basketball is 7216.5 cm³.

Explanation:

Given data:

Radius of ball = 12 cm

Volume of ball = ?

Solution:

We will apply the volume formula of sphere.

V = 4/3 ×π×r³

we know that,

π = 22/7

r = 12 cm

Now we will put the values in formula.

V = 4/3 × 3.14 × (12 cm)³

V = 4/3 × 3.14 ×1728 cm³

V = 7216.5 cm³

Thus, the volume of basketball is 7216.5 cm³.

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3 years ago

Balance in basic solution: O2(g) + Cr³+ (aq) → H₂O2 (1) + Cr₂O7²- (aq)

likoan [24]

cr2o72+H2o2-(r3+o2)

Explanation:

r62o72+H2o2-(r3+o2)

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3 years ago

What is one thing people can do to reduce the amount of carbon in the

Nimfa-mama [501]

Answer:

Explanation:

Planting trees sequesters CO2

all of the other choices produce more CO2 in the atmosphere

8 0

2 years ago

How do ozone molecules form in the stratosphere?

alekssr [168]

Sunlight breaks apart an oxygen molecule to form separate oxygen atoms

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3 years ago

Attem A liquid solvent is added to a flask containing an insoluble solid. The total volume of the solid and liquid together is 9

monitta

Answer: The mass of solid is 105.4 g

Explanation:

To calculate the density of a substance, we use the equation"

$\text{Density of a substance}=\frac{\text{Mass of a substance}}{\text{Volume of a substance}}$ .......(1)

For liquid:

Mass of liquid = 26.6 g

Density of liquid = 0.865 g/mL

Putting values in equation 1, we get:

$0.865g/mL=\frac{26.6g}{\text{Volume of liquid}}\\\\\text{Volume of liquid}=\frac{26.6g}{0.865g/mL}=30.8mL$

We are given:

Volume of solid + Volume of liquid = 91.0 mL

Volume of liquid = 30.8 mL

So, volume of solid = 91.0 - 30.8 = 60.2 mL

Now, calculating the mass of solid by using equation 1, we get:

Volume of solid = 60.2 mL

Density of solid = 1.75 g/mL

Putting values in equation 1, we get:

$1.75g/mL=\frac{\text{Mass of solid}}{60.2mL}\\\\\text{Mass of solid}=(1.75g/mL\times 60.2mL)=105.4g$

Hence, the mass of solid is 105.4 grams

7 0

3 years ago