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Zigmanuir [339]
3 years ago
7

Bronze is an alloy. What is an alloy and why are they preferable at times?

Chemistry
1 answer:
Naddika [18.5K]3 years ago
6 0
Alloys are mixtures of metals and other elements, which still keeps many characteristics of metal.

Alloys are sometimes desirable as they have some properties that the original metals don't, for example more flexibility or less fragility. Steel is such an alloy: it prevents movement of iron parts, making it stronger.
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Which is stronger ph4 or ph6
Temka [501]

Answer:

ph4 is stronger

Explanation:

4 is the only moderate

5 - 6 are weak acids

0 - 3 are strong

7 0
3 years ago
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What best describes a molecule
dybincka [34]

Answer:

  • a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction

Hope this helps :)

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3 years ago
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what is the specific heat of a substance if 1560 cal are required to raise the temperature of a 312-g sample by 15°C
jasenka [17]

Answer:

0.33 cal⋅g-1°C-1  

Explanation:

The amount of heat required is determined from the formula:

q= mcΔT

To see more:

https://api-project-1022638073839.appspot.com/questions/what-is-the-specific-heat-of-a-substance-if-1560-cal-are-required-to-raise-the-t#235434

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2 years ago
Imagine that the moon’s orbit wasn’t elliptical and it that it did not orbit the earth at a 5 degree angle. How would this chang
Readme [11.4K]

Answer:

Without the tilt, lunar eclipse will happen every month.

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3 years ago
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Zn-64 = 48.63%
Ann [662]

Answer:

A = 65.46 u

Explanation:

Given that,

The composition of zinc is as follows :

Zn-64 = 48.63%

Zn-66 = 27.90%

Zn-67 = 4.10%

Zn-68 = 18.75%

Zn-70 = .62%

We need to find the  average atomic mass of the given element. It can be solved as follows :

A=\dfrac{48.63\times 64+27.90\times 66+4.1\times 67+18.75\times 68+0.62\times 70}{100}\\A=65.46\ u

So, the average atomic mass of zinc is 65.46 u.

5 0
2 years ago
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