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artcher [175]
3 years ago
7

Can someone answer theses problems? Only do the Even number problems,Im in a rush so please help me.

Chemistry
1 answer:
8090 [49]3 years ago
7 0
The answer to the questions. All 15 of them.

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From goal line to goal line, a football field is 300 ft long. If a player catches the ball while standing on one goal line, runs
KATRIN_1 [288]

Answer:

The player ran 91.44m.

Explanation:

The problem gives you the total distance between goal line to goal line in feet, and the answer must be given in meters, so you should convert the distance the player run from ft to m, because the player run the same distance from goal line to goal line to scores the touchdown.

So, you should apply the following conversion factor:

300ft*\frac{0.3048m}{1ft}= 91.44m

The player ran 91.44m.

3 0
3 years ago
Lactose takes years to break down on its own. But if exposed to the protein lactase, the reaction proceeds very quickly, while l
sp2606 [1]

Answer:

Enzyme  

Explanation:

An enzyme is an organic catalyst that speeds up a reaction but can be recovered unchanged.

Human lactase consists of 4092 amino acid groups and has a molar mass of about 280 000 u, so it has a complex structure.

6 0
3 years ago
A chemist pours 1 mol of zinc granules into one beaker and 1 mol of zinc chloride powder into another beaker. What do the two sa
irina1246 [14]
The number of Zn particles (atoms of Zn ) in the first sample, and Zn ions are going to be the same, 
Also mass of Zn are going to be the same, because of electrons are too small, and would not have influence on mass.
6 0
3 years ago
Read 2 more answers
Choose the atom with:
nata0808 [166]

Answer:

a )Li

b)O

c)F

Explanation:

a) Li-1s^2 2s^1

F-1s^2 2s^2 2p^5

it is easy to pull out e- from 2p orbit than 2s because 2s orbit is close to nucleus.Therefore Li have high ionisation enthalpy

b)oxygen ion is larger than Na because o have fewer proton

c)F because it requires only 1e to achieve stable noble gas configuration.Therefore to achieve stable nobke gas electonic configuration it accept 1e.

6 0
3 years ago
What is the temperature of water at low latitudes please help me
bixtya [17]
The average temperature of the ocean surface waters is about 17 degrees Celsius (62.6 degrees Fahrenheit).

Hoped that helped
6 0
3 years ago
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