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Oliga [24]
3 years ago
12

Which of the following is equal to 4 kilograms?

Chemistry
2 answers:
Mariulka [41]3 years ago
6 0
A. 4,000 g is the answer

1kg = 1000g
bezimeni [28]3 years ago
3 0
4 kg= 4,000 g

The correct answer is a. 4,000 g~
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Explain 3 sources of carbon dioxide production and explain how the production of CO2 can lead to global warming.
prisoha [69]

Answer:

Natural sources include decomposition, ocean release and respiration. Human sources come from activities like cement production, deforestation as well as the burning of fossil fuels like coal, oil and natural gas.

Explanation:

3 0
2 years ago
Calculate the equilibrium constant for the decomposition of water 2h2o(l)  2h2(g) + o2(g) at 25°c, given that g°f (h2o(l)) = –
kow [346]

Answer:

2.6 ×10^-42

Explanation:

From

∆G= -RTlnK

∆G= -237.2 KJmol-1 or -237.2×10^3 Jmol-1

R= 8.314 Jmol-1K-1

T= 25°C + 273= 298K

-237.2×10^3= 8.314 × 298 × ln K

ln K= -237.2×10^3/2477.572

K = 2.6 ×10^-42

3 0
3 years ago
Given that the formula of butane C4H10 the accepted value for the molar mass should be
deff fn [24]

Answer:

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hydrogen mass = 1.01g/mol

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12.01 x 4 + 1.01 x 10

48.04g/mol + 10.10g/mol

= 58.14g/mol

4 0
2 years ago
The mass number of this atom is_________<br><br>​
galben [10]

Answer:

7

Explanation:

The mass number is neutrons plus protons

3 0
2 years ago
How does the reactivity of nonmetals change as you move from left to right across the periodic table?
Rudiy27

Answer:

Metallic character refers to the level of reactivity of a metal. Non-metallic character relates to the tendency to accept electrons during chemical reactions. Metallic tendency increases going down a group. Non-metallic tendency increases going from left to right across the periodic table.

Explanation:

I hope this helps :)

4 0
2 years ago
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