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Fittoniya [83]
2 years ago
9

Which element forms easily into thin sheets? O carbon O helium O gold O bromine

Chemistry
2 answers:
miss Akunina [59]2 years ago
6 0
The answer would be gold because can u even form helium into a sheet nd yea it’s gold
fenix001 [56]2 years ago
5 0
The answer would be gold because gold is having a property of malleable
so it can be drawn into thin sheets
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Write a word or phrase begining with each letter of the word CHANGE that describes changed you have observed in everyday objects
ipn [44]
C – coming to senses and finally realized that everything is dynamic and I should learn to invest into knowing what of these changes are right or wrong and being

H – hopeful that someday, these changes will actually make sense and that all of these questions and confusions will be answered in the right time and the right place. But whatever happens, I must learn to

A – adapt from the different things I see everyday, If the world changes for its betterment or for its worse, then I too, should change as well to go with the flow. However, keep in mind to

N – never leave the small things behind because these things when summed up actually what make sense of everything and could possibly answer the

G – growing dynamics of the world and its inhabitants. Throughout all this, it is always important to
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E-educate yourself, that when the change will finally take effect on you, you will be ready.</span>
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3 years ago
A sample of gas in a balloon has an initial temperature of 37C and a volume of 1560 L. If the temperature changes to 82C , and t
FromTheMoon [43]

Answer:

First part: The new volume of the gas is 1786 Liters.

Second part: The temperature required to change the volume of the gas sample is 347 °C

Explanation:

We assume the Charles - Gay Lussac law where, in constant pressure, volume of a gas changes directly proportional to Temperature (in Kelvin)

V1 / T1  = V2/T2

37°C + 273 = 310 K

82°C + 273 = 355 K

1560L / 310°K = V2 / 355K

(1560 / 310) . 355 = V2

1786 L = V2

1560 L / 310 K = 3120 L / T2

T2 = 3120 L . (310 K / 1560 L)

T2 = 620 K

620K - 273 = 347°C

6 0
3 years ago
What is the difference between a amalgam and alloy.
Gennadij [26K]
Combinations of different metals form alloys. An alloy composed by mercury and other metal (or metals) forms amalgam. When a true alloy is formed, the component metals are mixed together at a temperature which is greater than the melting point of all of them.Apr 7, 2017
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4 years ago
Which expression is equal to the number of grams (g) in 2.43 kilograms (kg)?
Gre4nikov [31]
2.43 kilograms is equal to 2430 grams because 1 kilogram is equal to 1000 grams.
4 0
3 years ago
Read 2 more answers
Octane has a density of 0.703 g/ml. Calculate the mass of CO2(g) produced by burning one
STatiana [176]

The mass of CO₂ gas produced during the combustion of one gallon of octane is 8.21 kg.

The given parameters:

  • <em>Density of the octane, ρ = 0.703 g/ml</em>
  • <em>Volume of octane, v = 3.79 liters</em>

<em />

The mass of the octane burnt is calculated as follows;

m = \rho V\\\\m = 0.703 \ \frac{g}{ml} \times 3.79 \ L \ \frac{1000 \ ml}{L} \\\\m = 2,664.37 \ g

The combustion reaction of octane is given as;

2C_8H_{18} +  \ 25O_2 \ --> \ 16CO_2 \ + \ 18H_2O

From the reaction above:

228.46 g of octane -------------------> 704 g of  CO₂ gas

2,664.37 of octane --------------------> ? of CO₂ gas

= \frac{2,664.37 \times 704}{228.46} \\\\= 8,210.3 \ g\\\\= 8.21 \ kg

Thus, the mass of CO₂ gas produced during the combustion of one gallon of octane is 8.21 kg.

Learn more about combustion of organic compounds here: brainly.com/question/13272422

8 0
3 years ago
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