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valkas [14]
3 years ago
13

Make a sketch that shows how thermal and chemical energy

Chemistry
1 answer:
yuradex [85]3 years ago
3 0
Ammonium chloride is salt, and when we add solid salt into water, it’s dissolved and nothing happens. The only thing happens when any salt dissolved in water, is becoming its ions and improve its conductivity.

NH4Cl(s) + H2O(l) → NH4+(aq) + Cl-(aq) + H2O(l)

Blue Mount Alkaline RO Water purifier is India’s first Alkaline RO water purifier with LED display and is a leading brand as it has a wide range of water purifiers that help you to drink healthy and safe water which can help you to boost your health and make you more healthy and fit. The water purifiers remove the acid components from the water and make the water more pure and safe to drink. So, switch your drinking habits to Alkaline Water.
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Brass is an alloy of copper and zinc. varying the mass per- centages of the two metals produces brasses with different proper- t
EastWind [94]

First step: The mass of zinc in the yellow zinc sample can be calculated with the help of percentage (given) in the sample. After that, mass of copper is determine by the subtracting the mass of zinc from the total mass of zinc in the given sample.

Thus,

Mass of zinc in 34% zinc sample = 185 g yellow zinc \times \frac{34 zinc}{100 yellow zinc}

= 62.9 g zinc

Mass of zinc in 37% zinc sample = 185 g yellow zinc \times \frac{37 zinc}{100 yellow zinc}

= 68.45 g zinc

Now,

mass of copper in 34% zinc sample =185 g -62.9 g

= 122.1 g \simeq 122 g

mass of copper in 37% zinc sample = 185 g -68.45 g

=116.55 g \simeq 117 g

Thus, the range of mass of copper is 117 g to  122 g

Second step:

34% zinc sample consist of 66% copper (100-34= 66%)

37% zinc sample consist of 63% copper (100-37=63%)

Mass of zinc = (46.5 g copper) \times \frac{34 percent zinc}{66 percent copper}

= 23.95 g\simeq 24 g

Mass of zinc  =46.5 g copper \times \frac{37 percent zinc}{63 percent copper}

= 27.30 g\simeq 27g

Thus, the range of mass of zinc is 24 g to  27 g





7 0
4 years ago
Which metal is most likely to form more than one kind of positively charge ion?
sleet_krkn [62]

Answer:

nickel (Ni)

Explanation:

5 0
4 years ago
Which word is the opposite of boiling
bazaltina [42]

Answer:

freezing

Explanation:

because boiling is when subatomic are really far apart and excited, and freezing is when they are close together and compact, slow, and stable.

5 0
3 years ago
Read 2 more answers
I HAVE 3 MINS LEFT PLS
attashe74 [19]
It's the 1st one im so serious
8 0
3 years ago
An objects volume can be found by adding its mass by its?
Inessa05 [86]
Volume* density=MASS
4 0
4 years ago
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