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Drupady [299]
2 years ago
10

Plaster casts, CaSO4 Spell out the full name of the elements in alphabetical order separated by commas.

Chemistry
2 answers:
Olenka [21]2 years ago
4 0
Calcium, oxygen, sulfur
ivolga24 [154]2 years ago
3 0
CaSO₄ - it is calcium sulphate
CaSO₄·2H₂O - this is gypsum (calcium sulfate dihydrate)

Ca - calcium
H - hydrogen
O - oxygen
S - sulfur

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The fifth element in group 7 in astatine would you expect it to be gas, liquid, or solid? why?
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Answer:

solid

Explanation:

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6 0
1 year ago
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Explanation:

3 0
3 years ago
How many moles of hydrogen atoms are there in one mole of C6H12O2
zvonat [6]

In 1 molecule of the compound C₆H₁₂O₂ there are 12 moles of hydrogen atoms

<h3>Further explanation</h3>

Given

C₆H₁₂O₂ compound

Required

moles of Hydrogen

Solution

In a compound, there is a mole ratio of the constituent elements.

The empirical formula is the smallest comparison of atoms of compound forming elements.  

A molecular formula is a formula that shows the number of atomic elements that make up a compound.  

In the C₆H₁₂O₂ compound, there are 3 forming elements: C, H and O

The number of each element is indicated by its subscript

C: 6 moles

H = 12 moles

O = 2 moles

7 0
2 years ago
Determine the number of moles of gas in a 4.1L container at 341K with a pressure of 1.78 atm.
lozanna [386]

Answer:

0.26 mol

Explanation:

using general gas equation

PV=nRT

V=4.1litre= 4.1 dm³

P= 1.78 atm

R= 0.0821

PUT VALUES

8 0
3 years ago
How to test for carbon dioxide ​
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Read 2 more answers
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