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Rina8888 [55]
3 years ago
5

I need the answers for the element builder gizmo by explore learning

Chemistry
1 answer:
Mamont248 [21]3 years ago
6 0
I tried to find them and I created a teacher account but you literally have to pay for them

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Whats the Number of molecules in 1.500 mole of H2O
deff fn [24]

Answer:

6.02 × 10 23

Explanation:

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2 years ago
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1 kilocalorie is equal to<br> calories.<br><br> 1000
rusak2 [61]

Answer:

it is equal to 1000 gram calories

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At standard temperature and pressure, a 0.50 mole sample of H2 gas and a separate 1.0 mol sample of O2 gas have the same a. Aver
Harman [31]

Answer:

um i think 20

Explanation: because 20

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2 years ago
1. What is the mass of a rock that has a density of 2.5 grams per cubic centimeter and a volume of 4.0
dangina [55]

Answer:

Explanation:

d =

m

V

m = d×V

V =

m

d

DENSITY

Density is defined as mass per unit volume.

d =

m

V

Example:

A brick of salt measuring 10.0 cm x 10.0 cm x 2.00 cm has a mass of 433 g. What is its density?

Step 1: Calculate the volume

V = lwh = 10.0 cm × 10.0 cm × 2.00 cm = 200 cm³

Step 2: Calculate the density

d =

m

V

=

433

g

200

c

m

³

= 2.16 g/cm³

MASS

d =

m

V

We can rearrange this to get the expression for the mass.

m = d×V

Example:

If 500 mL of a liquid has a density of 1.11 g/mL, what is its mass?

m = d×V = 500 mL ×

1.11

g

1

m

L

= 555 g

VOLUME

d =

m

V

We can rearrange this to get the expression for the volume.

V =

m

d

Example:

What is the volume of a bar of gold that has a mass of 14.83 kg. The density of gold is 19.32 g/cm³.

Step 1: Convert kilograms to grams.

14.83 kg ×

1000

g

1

k

g

= 14 830 g

Step 2: Calculate the volume.

V =

m

d

= 14 830 g ×

1

c

m

³

19.32

g

= 767.6 cm³

7 0
3 years ago
When performing a gram stain, it is necessary to remove crystal violet stain from any gram negative bacteria on the slide. Micro
Paladinen [302]

Answer: mL of water that should be add

3.826mL

Explanation:

Check attachment

5 0
3 years ago
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