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irakobra [83]
3 years ago
11

Why does summer receive more daylight hours than winter

Chemistry
2 answers:
Dmitry [639]3 years ago
8 0
Bc the time changes that is the answer hoped i helped

leva [86]3 years ago
7 0
Because the orbit of the earth is tilted away from the sun during summer

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Draw the Lewis structure of PH3. To add lone pairs, click the A lone pair button has two dots. button before clicking on the mol
sattari [20]

Answer:

a

Explanation:

4 0
3 years ago
How many Al atoms are there in 40.5 g of Al foil? Al:27
andrew-mc [135]

Answer:

c) 9.03 x 10^23

Explanation:

find the molar mass of Al

Al is 27.0 grams

Then use that, to find the number of moles in Aluminum.

Then use Avogadro's number which is 6.02 * 10^23

After that, write all of that down with dimensional analysis.

40.5 g * 1 mol/ 27.0 g of Al  * 6.02 x 10^23 / 1mol

As your final answer, you will get 9.03 * 10^23 atoms with sig figs.

Hope it helped!

4 0
3 years ago
Which of the following has the greatest force between particles? Why?
KatRina [158]
D NACL because it is ionic bond and all the others are covalent 
7 0
3 years ago
Read 2 more answers
Write equations for the following: (b) an addition reactionbetween cyclohexene and Cl₂;
lorasvet [3.4K]

The required equation for an addition reaction between cyclohexene and Cl2 .

Cyclohexene + Cl2 → 1,2-dichlorocyclohexane

What is addition reaction ?

it is type of reaction in which one molecule combines with another molecule to form larger molecules .

addition reaction types are electrophilic , nucleophilic and free radical addition reaction .

<h3>What is free radical addition reaction ?</h3>

it is type of addition reaction where functional group is added to a compound through a free radical intermediate .

The free radical addition reaction involves chain initiation , chain propagation and chain termination .

Learn more about addition reaction here :

brainly.com/question/23960104

#SPJ4

7 0
1 year ago
An I.V. infusion order is received for Lidocaine 2 g in 250 ml of 0.9% NaCl to be infused at 3 mg/min. What will the flow rate b
Tamiku [17]

Answer:

The flow rate would be 22.5ml/hr

Explanation:

Volumetric flow rate = Mass flow rate ÷ density

Mass flow rate = 3mg/min = 3mg/min × 60min/1hr = 180mg/hr

Density = mass/volume = 2g/250ml = 0.008g/ml = 0.008g/ml × 1000mg/1g = 8mg/ml

Volumetric flow rate = 180mg/hr ÷ 8mg/ml = 22.5ml/hr

5 0
3 years ago
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