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EleoNora [17]
3 years ago
15

What color is diamonds streak?

Chemistry
2 answers:
shutvik [7]3 years ago
8 0
White is the answer to this
abruzzese [7]3 years ago
4 0
<span>Usually, the diamond's streak has a white hue, but it also can be multiple colors. An industrial diamond’s streak is commonly colored black, but it can take on other colors as well such as orange, yellow, green, blue or brown. It may also be colorless.

I hope this helps you! :)</span>
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Suppose that a newly discovered element called centium has 3 isotopes that occure in nature. These are centium -200, centium -20
vodomira [7]

Answer:

The answer to your question is 203.8 g

Explanation:

Data

Average atomic mass = ?

Centium-200

Centium-203

Centium-209

Equal amounts

Process

1.- Determine the abundance of each isotope.

If they are in equal amounts in nature, just divide 100 by 3

             100/3 = 33.33 % or 0.333

2.- Determine the Average atomic mass

Average atomic mass = Atomic mass 1 x abundance + Atomic mass 2 x

                                        abundance + Atomic mass 3 x abundance

- Substitution

Average atomic mass = 200 x 0.333 + 203 x 0.333 + 209 x 0.333

- Simplification

Average atomic mass = 66.6 + 67.6 + 69.6

Result

Average atomic mass = 203.8 g

3 0
3 years ago
What does an electricity neutral atom have the same number of?
tiny-mole [99]

d) protons and electrons.

7 0
2 years ago
Read 2 more answers
Choose the abiotic factors that characterize the tundra biome.
Arada [10]
The only answer that makes sense is A. 

Warm wet forests is a rainforest, arctic foxes are biotic, not abiotic, and little rainfall extreme temperatures is a desert.
3 0
4 years ago
Read 2 more answers
you wish to make a 0.161 m nitric acid solution from a stock solution of 3.00 m nitric acid. how much concentrated acid must you
Drupady [299]

From a stock solution of 3.00 m nitric acid, 9.391 ml of stock solution is needed to create a 0.161 m nitric acid solution, which has a total volume of 175 ml of the diluted solution.

A chemical reagent is present in vast quantities as a stock solution. It has a uniform concentration. Examples of typical stock solutions in laboratories are nitric acid and hydrochloric acid. These play a critical role in creating the titration-related solution preparations.

We know the formula for dilution type problems

             M1 VI = M2 V 2

Where,

M, = initial molarity

V , = initial Volume

M2 = final molarity

V 2 = final Volume

Hene given -

M, = 3.00 M

VI = ?

M2 = 0.161M

V 2 = 175 ml

Accordingly ' MI V1  = M2 V 2

V1 =(M2*V2)/M1

V1= (0.161M*175ml)/ 3.00M

v1 = 9.391

The required volume of Stock solution is 9.391ml.

Learn more about Stock solution here

brainly.com/question/25256765

#SPJ4

7 0
1 year ago
An air bubble has a volume of 22.98 L at 3.3°C. What is the final volume, in L, of the gas when the temperature changes to 89.7*
daser333 [38]

Answer:

I don't know the answer of this question but thanks for the points.

8 0
3 years ago
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