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Mnenie [13.5K]
4 years ago
5

State four steps that we can take to protect our environment from plastic-related pollution.

Chemistry
1 answer:
Kisachek [45]4 years ago
7 0

Answer:

(1) wean yourself of disposable plastics. and(2) stop

buing water

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a sample of ammonia contains 9g hydrogen and 42g nitrogen. another sample contains 5g hydrogen .calculate the amount of nitrogen
balandron [24]
9 g of hydrogen - 42 g of nitrogen
5 g of hydrogen - x g of nitrogen

9x=42 \cdot 5 \\
9x=210 \\
x \approx 23.33

The mass of nitrogen in the second sample is 23.33 g.
4 0
4 years ago
What kind of elements are on the left side of the zig-zag line on the periodic table?
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3 years ago
Why do you elements in the same group have similar properties
lozanna [386]

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They have similar properties, because they share similar amounts of electrons in their outer shell, valence electrons! This means they will only be able to interact with other elements with those electrons so they often show similar properties.

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Name the homologous series for this compound and show its structure<br>ch3ch2cc(ch2)2ch3​
kotykmax [81]

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Alkyne

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