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otez555 [7]
3 years ago
10

What is the material used to make plaster of paris​

Chemistry
2 answers:
Natalija [7]3 years ago
8 0

Gʏᴘsᴜᴍ ɪs ᴛʜᴇ ᴍᴀᴊᴏʀ ᴄᴏᴍᴘᴏɴᴇɴᴛ .

lorasvet [3.4K]3 years ago
4 0

Plaster of Paris is a mixture of powdered calcium sulphate (commonly known as gypsum) and water that hardens quickly. It has been used in a wide variety of decorative applications (e.g. moulds, statuary, casts, etc.) for many centuries.

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If a car travels 800m in 30 seconds how fast is it going? HELP MEEE!!
Paul [167]

Answer:

<h2>26.67 m/s</h2>

Explanation:

The speed of the car can be found by using the formula

v =  \frac{d}{t}  \\

d is the distance

t is the time taken

From the question we have

v =  \frac{800}{30}  =  \frac{80}{3}  \\  = 26.66666...

We have the final answer as

<h3>26.67 m/s</h3>

Hope this helps you

7 0
3 years ago
How many moles of ammonium sulfate can be from the reaction of 30.0 mol of NH3 with H2SO4 according to the following equation: 2
marysya [2.9K]

Answer:

15 moles of  ammonium sulfate would be formed from 30 moles of ammonia.

Explanation:

Given data:

Number of moles of ammonium sulfate formed = ?

Number of moles of ammonia = 30.0 mol

Solution:

Chemical equation:

2NH₃  +   H₂SO₄  →  (NH₄)₂SO₄

Now we will compare the moles of ammonium sulfate with ammonia.

                           NH₃           :           (NH₄)₂SO₄

                             2              :               1

                            30.0          :              1/2×30.0 = 15.0 mol

So 15 moles of  ammonium sulfate would be formed from 30 moles of ammonia.

7 0
2 years ago
Who is interested in a middle schooler?
belka [17]

Answer:

I think that middle school teachers are interested in teaching middle schoolers.

6 0
2 years ago
Which row probably contains the largest atoms on the periodic table?
svp [43]
The last row going across
7 0
3 years ago
Density is a derived unit of mass / volume.
lapo4ka [179]

Answer:

1kg/L

Explanation:

1.) convert grams to kilograms

1000g÷1000=1kg

2.)use formula to find density

density =  \frac{mass}{volume}

= 1kg/1.0L

=1kg/L

6 0
2 years ago
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