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FromTheMoon [43]
2 years ago
6

Lipids (also known as fats) have two types of monomers called

Chemistry
1 answer:
dalvyx [7]2 years ago
4 0
Fats are large molecules made of two types of molecules, glycerol and some type of fatty acid.
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Which of the following observations indicates that atoms of all elements contain small, negatively charged particles? Alpha part
Marizza181 [45]

Answer:

The correct option is;

Cathode rays are deflected towards a positively charged rod

Explanation:

Cathode rays are  beam of electrons emitted from the cathode in a vacuum tube and moving towards the anode, due to the difference in the voltage between the electrodes

The discovery of the electrons was through the proof by Thomson that cathode rays were a negatively charged, previously unknown particle, which was to become known as the electron.

8 0
3 years ago
Read 2 more answers
At STP, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver
alexdok [17]

Answer:

Silver

Explanation:

because it is a trasition metal and are good condutors

8 0
3 years ago
Write a balanced chemical equation for the standard formation reaction of solid chromium(iii) nitrate crno33 .
Drupady [299]

Explanation:

Standard formation of an substance is defined as formation of one mole of substance from its constituting elements.

Chromium(III) nitrate is composed of chromium, nitrogen and three oxygen atoms.

2Cr(s)+3N_2(g)+9O_2\rightarrow 2Cr(NO_3)_3(s)

A balanced chemical equation for the standard formation reaction of solid chromium(III) nitrate

Cr(s)+\frac{3}{2}N_2(g)+\frac{9}{2}O_2\rightarrow Cr(NO_3)_3(s)

7 0
3 years ago
Which of the following is most likely to be the best conductor of electricity?
Annette [7]
Lead is most likely the best conductor
3 0
3 years ago
Read 2 more answers
How many grams of NaOH is needed to neutralize 90 mL of 1.5 N HCl?
AnnZ [28]

mol = conc × v

= 1.5 × 0.09

= 0.135 moles of HCl

HCl + NaOH > NaCl + H2O

1 mole HCl = 1 mole NaOH

0.135 mol HCl = x

x = 0.135 mol NaOH

mass = mol × molar mass

= 0.135 × 40

= 5.4 g

NaOH = 23 + 16 + 1 = 40 g/mol

I'm not a 100% sure if it's correct

6 0
2 years ago
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