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Anna11 [10]
3 years ago
10

Hi can someone help me

Chemistry
1 answer:
GenaCL600 [577]3 years ago
5 0

Answer:

yolo go with C

Explanation:

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Why does one beach have purple sand and another beach have pink sand?
Gnesinka [82]
Ok so I’m going to break it up so it’s a bit easier to read through:

The colours are from the different rocks and minerals that make up the sand.

The little fragments of rock come from for example surrounding mountains.

It could also because sand is simply the product from erosion of the rocks rubbing each other under the action of the waves.

So if the bottom of the ocean is made of black lava for example in Hawaii, there’s a good chance of the sand being black.

In California, the sand usually looks white because it has minerals like quartz and pieces of shell that are made of calcium carbonate.

Hope this helps :)
5 0
3 years ago
Please help asap, I have 10min
Grace [21]

Answer:

electrons

Explanation:

because it rotates the nucleus around it

3 0
4 years ago
How many grams of FeCl3 are needed to make 1.5 L of a solution with a molarity of 0.450 M?
taurus [48]
Moles=concentration x volume. 1.5/1000 multiply 0.450 = 6.75x10^-4
To find the mass of fecl3, we have the formula, mass=moles x molar mass. 6.75x10^-4 x (55.8+35.5 x 3). = 0.1096g

Not sure tho if i did it right
6 0
3 years ago
Calculate the Cal(kcal) in 1 cup of whole milk: 12 g of carbohydrate, 9 g of fat, and 9 g of protein.
laiz [17]
 Fat: 1 gram = 9 calories    Protein: 1 gram = 4 calories    Carbohydrates: 1 gram = 4 calories    Alcohol: 1 gram = 7 calories"
So, (12 g carbohydrates)*4 Cal=48 Cal; (9 g fat) *9 Cal=81 Cal; (9 g protein)*4 Cal=36 Cal
48 Cal + 81 Cal + 36 Cal = 165 Cal in one glass of milk
5 0
4 years ago
Read 2 more answers
!!!!!!!I REALLY NEED HELP PLEASE!!!!!!!!!!!
Brut [27]

Answer:

2:1 Hydrogen:Oxygen for all three answers.

Explanation:

Maltose has 22 hydrogen and 11 oxygen,

glucose and fructose both have 12 hydrogen and 6 oxygen, and water has 2 hydrogen and 1 oxygen.

3 0
3 years ago
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