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nexus9112 [7]
3 years ago
8

Is this question an error or am I missing something?

Chemistry
1 answer:
Alexxx [7]3 years ago
8 0

Answer:

ur missing something`

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_Au2S3 + _H2---> _Au + _H2S
timofeeve [1]
The answer is A because if you place the first two numbers 1 and 3
Au=2
S=3
H=6
It has to equal to the product so then you put in the last two numbers 2 and 3
Au=2
S=3
H=6
4 0
3 years ago
Read 2 more answers
A gas has a volume of 6.6 L at a temperature of 40 C. What is the volume of
zaharov [31]

Answer:

6.07 L

Explanation:

It appears that the reading has been made at constant pressure .

At constant pressure , the gas law formula is

V/T = constant  V is volume and T is temperature of the gas.

V₁ / T₁ = V₂ / T₂

V₁ = 6.6 L ,

T₁ = 40°C

= 273 + 40

= 313 K

T₂ = 15+ 273

= 288K

V₂ = ?

Putting the values in the formula above

6.6 / 313  = V₂ / 288

V₂ = 6.07 L.

8 0
4 years ago
Calculate the number of moles of each compound, given the number of molecules.
anastassius [24]

Answer:

1.  2.46\times 10^{21} molecules of CO₂

2. 10⁴ molecules of H₂O

3. 8.75×10³² molecules of C₆H₁₂O₆

Explanation:

1.  2.46\times 10^{21} molecules of CO₂

2. 10⁴ molecules of H₂O

3. 8.75×10³² molecules of C₆H₁₂O₆

5 0
3 years ago
Elements have different chemical properties than their atoms true or false
Sonbull [250]

Answer:

true

Explanation:

8 0
4 years ago
my attic keeps making sound and thombs wat does it mean iam creeped out right now it just happened and the lightbulb was shaking
BigorU [14]

1. Make sure it isnt something other than a ghost(i.e. something falling)

2. Record what you see and hear

3. See if anyone hears the same thing as you(unless your home alone)

4. Be confident and dont be fearful because ghost sense fear

5. Pray or perform an exorsism( if this is part of your religion)

6. After the ghost leaves, clean up.( like literally mops the floors and stuff. it keeps the ghosts out)

Good Luck ! :]

7 0
3 years ago
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