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wolverine [178]
3 years ago
10

Name a physical property of gold (Au)

Chemistry
2 answers:
Lana71 [14]3 years ago
7 0
Gold is a soft metal. Both malleable and ductile
Vika [28.1K]3 years ago
4 0
Well gold is a soft metal
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What energy resource can be used instead of fossil fuel
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3 years ago
How many moles of argon are contained in 58 L of At at STP?
Harman [31]

Answer:

n = 2.58 mol

Explanation:

Given data:

Number of moles of argon = ?

Volume occupy = 58 L

Temperature = 273.15 K

Pressure = 1 atm

Solution:

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

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T = temperature in kelvin

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n = 58 atm.L / 22.43 atm.L/ mol

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8 0
3 years ago
Calcium carbide ( CaC2) reacts with water to produce acetylene (C2H2) as shown in the unbalanced reaction below: CaC2(s)+H2O(g)-
MaRussiya [10]
Answer:
46.3g H2O

Explanation:
start by balancing it: CaC2(s) + 2H2O(g) -> Ca(OH)2(s) + C2H2(g)

then use factor label method to solve

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3 years ago
If the specific heat of water is 4.186 kJ/kg∙°C, how much heat is required to increase the temperature of 1.2 kg of water from 2
PIT_PIT [208]
This<span> will require'' </span>266.9kJ''<span> of heat energy 

</span>

To calculate the energy required to raise the temperature of any given substance, here's what you require:

The mass of the material, <span>m</span>

4 0
3 years ago
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