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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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Cu + 2AgNO3 es002-1.jpg 2Ag + Cu(NO3)2 How many moles of copper must react to form 0.854 mol Ag?
marin [14]
Balance Chemical Equation is as follow,

<span>                        Cu + 2 AgNO</span>₃     →    2 Ag + Cu(NO₃)₂

According to Balance Equation,

                   2 Moles of Ag is produced by reacting  =  1 Mole of Cu
So, 
     0.854 Moles of Ag will be produced by reacting  =  X Moles of Cu

Solving for X,
                             X  =  (0.854 mol × 1 mol) ÷ 2 mol

                             X  =  0.427 Moles of Cu
Result:
            0.854 Moles of Ag 
are produced by reacting 0.427 Moles of Cu.
4 0
3 years ago
Anabolic reactions _______ bonds, whereas catabolic reactions __________ bonds. A. decrease; increase. B. break; make C. weaken;
nexus9112 [7]

Answer:

The corrext answer is E. make; break

Explanation:

In living organisms, the metabolism is either anabolic or catabolic where anabolic metabolism is energy consuming and catabolic metabolism is eneegy releasesing. It should however be noted that anabolic reaction builds or biosynthesize new mollecular structures while catabolic reaction breaks down complex structure bonds into simple structures

The braking down of bonds in catabolic reations realeses energy to sustain the anabolic rection process for the formation of new bonds

6 0
3 years ago
What is the energy of a photon of infrared radiation with a frequency of 2.53 × 1012 Hz? Planck’s constant is
Novosadov [1.4K]
It is letter b or c nit d
6 0
2 years ago
I need the correct answer
zalisa [80]

Answer:

d.

Explanation:

They can be spread through contaminated surfaces.

6 0
3 years ago
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The amount of ________________energy an object has depends on the object's speed and mass.
pychu [463]

Answer:

Momentum

Explanation:

If there is more mass, there is more momentum and if there is more speed there is more momentum. The formula for momentum is mass x speed.

7 0
3 years ago
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