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nydimaria [60]
3 years ago
10

What forces are acting on a book sitting on a table? Are action-reaction forces involved in this situation?

Chemistry
1 answer:
saw5 [17]3 years ago
3 0

Answer:

  • Gravitational force
  • Normal force

Explanation:

These act as the action-reaction forces.

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At element makes up all organic compounds?
svetoff [14.1K]

Answer:

  • <em>The element that makes up all organic compounds </em><u>is carbon (C)</u>

Explanation:

The term organic matter refers to the matter in the living organisms. Nowadays, organic compounds, the object of organic chemistry, are the compounds that contain carbon except carbon oxides, carbides and carbonates (which are considered inorganic compounds).

Organic compounds form a vast  variety of vital compounds based on the versatility of carbon atoms.

Carbon atoms have four valence electrons which can form a variety of single, double, and triple bonds with it self, to form long chains.

Carbon atoms can also form bonds with other elements like, hydrogen, oxygen, nitrogen, halogens, among others, to form different kind of compounds: alkanes, alkenes, alkynes, alcohols, aldehydes, esters, eters, amines, amides, polymers, among others.

Thus, organic compounds form a vast subject of study based on the  special chemical properties of carbon.

5 0
3 years ago
Calculations of mass
Tems11 [23]

Answer:

I dont know i just wrote this because i have a question too sorry

6 0
3 years ago
1. Convert the following temperatures to K.<br> a) 104 C<br> b) -3 C
gogolik [260]

Answer:

a) 377 k

b) 270 k

Explanation:

a) 104 + 273 = 377 k

b) -3 + 273 = 270 k

3 0
4 years ago
Which combination can be used to make a buffer with a pH of 4.2? The Ka of benzoic acid, C6H5COOH, is 6.5×10^–5 and the Ka of hy
ankoles [38]

50.0 mL of 0.500 M HCN and 25.0 mL of 0.500 M sodium hydroxide combination can be used to make a buffer with a pH of 4.2. The KK

an of benzoic acid, C6H5COOH, is 6.5×10-5 and the an of hydrocyanic acid, HCN, is 4.9×10-10.

Benzoic acid

A white (or colourless) solid with the chemical formula C6H5CO2H, benzoic acid is pronounced: "bnzo.k." The simplest aromatic carboxylic acid is this one. The term comes from gum benzoin, which was the substance's exclusive source for a very long period. Many plants naturally contain benzoic acid, which is used as an intermediary in the formation of numerous secondary metabolites[9]. Benzoic acid salts are employed as food preservatives. An essential starting point for the industrial synthesis of many other chemical compounds is benzoic acid. The term "benzoates" refers to the salts and esters of benzoic acid.

To learn more about benzoic acid refer here:

brainly.com/question/24052816

#SPJ 4

8 0
1 year ago
How is kilo gram is related to gram​
Levart [38]

Answer:

i know you think that they are just related because kg has kilo but they are related because

Explanation:

1000g makes 1 g.You see how much there is a difference in the solution because how is one=one thousand,well that is all i can help you from here.bye panta

4 0
3 years ago
Read 2 more answers
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