4 years ago

Writing about interesting place in your country

1 answer:

5 0

My name is Oluwashola david am from Nigeria. I live in ekiti state and I study at technical college as new candidate. Our government are really trying constructing new road, direct water even employing the youths

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(2k-1)²<br> what the answer pls.

Sedaia [141]

Answer:

4k^2-4k+1

Explanation:

Plx give brainlyest

7 0

3 years ago

How many parts per million of fluoride in a solution that is 500 grams of fluoride and 500,000 liters water

erik [133]

0.000001‬ppm

Explanation:

Mass of fluoride = 500g

Volume of water = 500000liters

Unknown:

Parts per million of fluoride = ?

Solution:

The parts per million is the amount of solute in milligram dissolved in a liter of water or milligram per kilogram of solvent

It is a unit used to express very small concentration.

we need to convert g - mg

500g = 500 x 10⁻³mg = 0.5mg

Concentration in parts per million = $\frac{mass in mg}{Volume in liters}$

Concentration in parts per million = $\frac{0.5}{500000}$ = 0.000001‬ppm

learn more:

Parts per million brainly.com/question/2854033

#learnwithBrainly

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4 years ago

6. Three ice cubes are placed inside a glass of hot chocolate. Which of the following best

ycow [4]

It’s the first 1 M yea it’s the first one

4 0

3 years ago

NEED HELP QUICKLY!!! How many moles are in each of the following?

oksano4ka [1.4K]

Answer: a. 0.26mol

b. 0.000479mol

c. 1.12mol

Explanation: Please see attachment for explanation

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3 years ago

When is potential energy transformed into kinetic energy

grin007 [14]

Kinetic energy is when an object is in motion
How I got my answer is really easy you simply just look at the answers and see which one says the object is in motion . Your answer would most likely be D

7 0

4 years ago

Writing about interesting place in your country​

Writing about interesting place in your country