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polet [3.4K]
2 years ago
11

⁣ ⁣ I made a bear....

Chemistry
1 answer:
BlackZzzverrR [31]2 years ago
5 0

Answer:

Oh?

Explanation:

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What does the poitof incidence mean?​
Lemur [1.5K]

Answer:

Point of incidence: The point on the surface where the incident ray strikes the surface is called the point of incidence. Reflected ray: The ray of light that bounces back from the surface of an object is called a reflected ray of light.

Explanation:

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4 0
2 years ago
Which alkane would have a higher boiling point?a)ethaneb)pentanec)heptane
Whitepunk [10]

Answer:

The correct answer is option c.

Explanation:

Alkanes with higher molecular mass has higher boiling point.

Thisis because when the molar mass of the alkanes increases the the surface area  increases with which van der Waals forces between the molecules of alkane also increase which increases the association of the molecules of with each other which results in increase in boiling point is observed.

The increasing order of the molar mass of the given alkanes;

C_2H_6

So out of ethane, pentane and heptane . Heptane has highest molecular mass with higher boiling point value. Where as ethane have the lowest value of boiling point.

6 0
3 years ago
1.  You have 10 grams of HCl, how many moles of HCl do you have?  
Oxana [17]

Explanation:

36.5gm (Molar mass) = 1mole

1 gram = 1/36.5 mole

10grams =(1/36.5) x 10 moles

= 0.027 x 10 moles

=0.27moles

4 0
2 years ago
Phytic acid binds minerals so that they cannot be absorbed. phytic acid is found in
3241004551 [841]

This is most found commonly in cereal grains. Phytic acid is discovered in the year 1903, a soaked cyclic acid, is the main storage form of phosphorus in numerous plant tissues, particularly in bran and seeds. It can be found in cereals and grain fibers.

6 0
3 years ago
A student is learning about a particular chemical element. The element is a metal that readily forms ionic salts with nonmetals
seropon [69]

Answer:

Group 2

Explanation:

Because group 2 is very reactive and forms salts with other non metals. Example Calcium Chloride. Calcium is from group 2, forms ionic salts with other non metal, and exists as solid at standard temp and pressure.

3 0
3 years ago
Read 2 more answers
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