3 years ago

Please answer asap for brainliest!!

1 answer:

4 0

The reactant in a chemical reaction that remains when a reaction stops when the limiting reactant is fully consumed.Percent yield is the percent ratio of actual yield to theoretical yield. Experimental yield divides by the theoretical yield and it multiplies by 100%

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Which location on the earth receives the most energy from the sun?

TiliK225 [7]

Mainly around the equator, since it receives the most direct sunlight year round.

3 0

3 years ago

Why does sodium have a lower melting point then magnesium

Lady bird [3.3K]

Answer:

Number of delocalized electrons

Explanation:

Magnesium has more delocalized electrons compared to sodium and this accounts for the higher melting point.

When magnesium atoms comes together to form a metallic bonds, they have more network of delocalized electrons.
There is more pull for the localized electrons due to the nuclear charge on the nucleus.
This strong intermolecular metallic bond increases the melting point of magnesium.

3 0

3 years ago

The melting and freezing points of a substance are the same temperature.<br> a. True<br> b. False

kow [346]

That's false. A melting point is hot/warm, while the freezing point is cold.

7 0

4 years ago

Read 2 more answers

PCI3 mass ratio and atomic ratio

alexandr1967 [171]

Answer:

PCI3

Mass ratio = 3:10

And Atomic ratio = 1:3

Hope it will help.

4 0

4 years ago

Calculate the molarity of 0.060 moles NaHCO3 in 1500. mL of solution

Jobisdone [24]

Answer:

= 0.4 M

Explanation:

data:

moles = 0.060 moles

volume = 1500 ml

= 1500 / 1000

= 1.5 dm^3

solution;

molarity = $\frac{no. of moles}{volume in dm^3}$

= 0.060 / 1.5

molarity = 0.4 M

5 0

2 years ago