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Vaselesa [24]
2 years ago
5

A4. Lead oxides are environmental pollutants. (a) Name the source of these pollutants. (b) What is the major adverse effect on h

umans?. (c) State the measures that have been put in place in order to avoid this kind of pollution..... (d) (1) Explain the meaning of the term global warming. (ii) Name a pollutant which causes global warming.​
Chemistry
1 answer:
ira [324]2 years ago
4 0

Answer:

A

Explanation:

bc u have to think about it

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5.0g of aluminum fluoride decomposes into aluminum and oxygen. What mass of oxygen is formed?
frutty [35]

Answer:

5

Explanation:

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7 0
3 years ago
A class is 47 min how many seconds is this ?
Sonbull [250]

Answer: 2820 seconds

1 minute = 60 seconds

Multiply the value times 60

47×60=2820

4 0
3 years ago
Glven 4.62 mol of sodium hydroxide, NaOH, how many grams are present?
Vaselesa [24]
1 mole is equal to 1 moles NaOH, or 39.99711 grams.
Hope this helped
3 0
3 years ago
What phrase from the Preamble justifies a law like the Affordable Care Act?
Alexandra [31]
<span>The Affordable Care Act which was instated during Barack Obama´s presidency and is sometimes known as Obamacare is justified by the phrase ¨for the general welfare¨ in the Preamble. This concept can be defined as holding the US government responsable for providing care for all people, not just a few elites. Therefore the Affordable Care Act, which aims to increase access to healthcare to all Americans is adhering to this phrase.</span>
4 0
3 years ago
Assuming 100% dissociation, calculate the freezing point and boiling point (in °C) of a solution with 83.6 g of AgNO 3 in 1.00 k
Thepotemich [5.8K]

Answer:

  • <u>Freezing point: - 1.83ºC</u>
  • <u>Boiling point: 100.50ºC</u>

Explanation:

The <em>freezing point</em> and<em> boiling point</em> of solvents, when a solute is added, will change accordingly to the concentration of the solute particles.

The freezing point will decrease and the boiling point will increase. These are two colligative properties.

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<u>Find attached the file with the whole answer, as the site is not uploading the answer in here.</u>

Download pdf
3 0
3 years ago
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