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aliya0001 [1]
2 years ago
7

Newbie Here pls.. HELP me​

Chemistry
1 answer:
polet [3.4K]2 years ago
6 0

Answer:

1. Litres

2. minutes

3. Kelvin (K)

4. Kilometer/hour

5. hours

6. Litre

7. metre

8. metre

9. Litres

10. milliliters

Explanation:

1. Coca-Cola is a liquid substance, hence, its volume must be measured in LITRES.

2. This question is related to time I.e. being early, hence, the unit of measurement is MINUTES.

3. The unit of temperature is Kelvin (K). Therefore, water boils at 373K

4. This question is related to speed, whose unit of measurement is kilometer/hour (km/hr).

5. A movie runs with time, which is measured in HOURS.

6. Mineral water is a liquid, which can only be bought per volume. Hence, the appropriate unit is LITRE.

7. Height is measured in metres (m). Therefore, one can say that " the height of your younger brother is 10metres"

8. The length of a substance is also measured in metres.

9. Volume is measured in LITRES

10. Cough syrup is a drug whose volume is quantified by millilitres i.e. a thousandth litre

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3 years ago
What type of attraction is the basis for hydrogen bonds (imf)?
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Hydrogen bonds are strong intermolecular forces created when a hydrogen atom bonded to an electronegative atom approaches a nearby electronegative atom. Greater electronegativity of the hydrogen bond acceptor will lead to an increase in hydrogen-bond strength.
I hope this helps
5 0
3 years ago
Consider the following reaction: CO(g)+2H2(g)⇌CH3OH(g) This reaction is carried out at a different temperature with initial conc
Anni [7]

Answer:

Ka = 4.76108

Explanation:

  • CO(g) + 2H2(g) ↔ CH3OH(g)

∴ Keq = [CH3OH(g)] / [H2(g)]²[CO(g)]

                      [ ]initial         change         [ ]eq

CO(g)              0.27 M       0.27 - x        0.27 - x

H2(g)              0.49 M       0.49 - x        0.49 - x

CH3OH(g)          0                0 + x               x = 0.11 M

replacing in Ka:

⇒ Ka = ( x ) / (0.49 - x)²(0.27 - x)

⇒ Ka = (0.11) / (0.49 - 0.11)² (0.27 - 0.11)

⇒ Ka = (0.11) / (0.38)²(0.16)

⇒ Ka = 4.76108

7 0
3 years ago
Based on the diagram below, how much of the excess reactant is left over? *
pantera1 [17]

Answer:

3 pieces of lunch-meat and 2 slices of cheese

Explanation:

You have enough bread to make 3 sandwiches

You have enough lunch-meat to make 4 sandwiches

You have enough cheese to make 5 sandwiches

In all you have enough material to make 3 sandwiches

so if you subtract three from each number above you will have no bread, enough lunch-meat to make one sandwich and enough cheese to make two sandwiches

luch-meat for one sandwich is: 3 pieces

Cheese for two sandwiches is:  2 pieces

5 0
3 years ago
Name the compound Fe(NO2)2?
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The compound Fe(NO2)2 is Iron (II) Nitrite. 
Hope I could help :) 
5 0
3 years ago
Read 2 more answers
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