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coldgirl [10]
2 years ago
8

Which of the following is not a pure metal?

Chemistry
1 answer:
White raven [17]2 years ago
8 0
Despite being extremely durable, steel is just an alloy; never a pure metal. It's because steel is made by fusing carbon and iron together. Most alloys are also called as mixed metals. So the answer should be D, as copper, silver and nickel are well-known pure metals.
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What is the net cell reaction for the iron-silver voltaic cell?
RSB [31]
The net cell reaction for the iron-silver voltaic cell would be:

<span>3Ag+ + Fe --------> 3Ag + Fe3+
</span>
wherein it comes from the reaction of the cathode and the anode:

<span>Ag+ + e- -------> Ag, for the cathode and;
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<span>Fe -------> Fe3+ + 3e-, for the anode
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4 0
2 years ago
At what power of ten are we able to view the entire Earth in space?
umka21 [38]

Answer:

If I remember correctly it should be 10^7 meters.

Explanation:

7 0
2 years ago
A gram of gasoline produces 45.0kJ of energy when burned. Gasoline has a density of 0.77/gmL. How would you calculate the amount
Ber [7]

Answer:

Math expression: =\frac{0.77\ g/ml*5200\ ml}{1\ g} *45.0\ kJ

Explanation:

<u>Given:</u>

Energy produced per gram of gasoline = 45.0 kJ

Density of gasoline = 0.77 g/ml

Volume of gasoline = 5.2  L=5200 ml

<u>To determine:</u>

The amount of energy produced by burning 5.2 L gasoline

<u>Calculation set-up:</u>

1. Calculate the mass (m) of gasoline given the density (d) and volume (v)

m = d*v\\\\m = 0.77 g/ml*5200 ml

2. Calculate the amount of energy produced

=\frac{0.77\ g/ml*5200\ ml}{1\ g} *45.0\ kJ=180180 kJ

7 0
2 years ago
Convert 1.21 kg to grams
MissTica

Answer:

1210 grams

Explanation:

Message me for extra info.

snap- parkguy786

7 0
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Marina86 [1]
I believe your answer would be the first one

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7 0
2 years ago
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