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andrezito [222]
3 years ago
5

Why are models used to represent Atoms

Chemistry
2 answers:
Keith_Richards [23]3 years ago
5 0

Answer:

C

Explanation:

Xelga [282]3 years ago
4 0

Answer:

C

Explanation: Atoms are to small to see

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What is the basic building block of a nucleic acids?
Leya [2.2K]
Phosphate group , pentose sugar , nitrogen base nucleotide
7 0
4 years ago
Butter has a specific gravity of 0.86. What is the mass of 2.45 L<br> of butter?
Tema [17]

Answer:

mass of the butter is 2.107 kg

Explanation:

specific gravity = destiny of the substance / density of

the water at 4°C

0.86 = density of the butter / 1000

where density of the water is 1000 kg/m^3 at 4°C

density of the butter = 860kg/m^3

now,

density of the butter = mass of the butter / volume

860 = mass of the butter / 2.45 × 10^-3

( 1 L = 10^ -3 m^3)

mass of the butter = 2.107 kg

can I get brainlist plz

7 0
3 years ago
Consider the reaction H2(g) + I2(g) Double headed arrow. HI(g) with an equilibrium constant of 46.3 and a reaction quotient of 5
Alika [10]

Answer:

The reaction shifts to the left.

Explanation:

Equilibrium constant (K) = 46.3

Reaction Quotient (Q) = 525

The relationship between Q and K with their implications are given as;

K = Q (No net reaction)

K > Q (Reaction shifts to the right)

K < Q (Reaction shifts to the left)

Since in this question, Q (525) > K (46.3)

The reaction shifts to the left.

5 0
3 years ago
Which of the following conditions remain constant in Gay-Lussac's law? Temperature and number of moles Volume and number of mole
saw5 [17]

Answer:

Volume and number of moles.

Explanation:

  • Gay-Lussac's law was found by Joseph Louis Gay-Lussac in 1808.
  • It states that, for a given mass (no. of moles) and constant volume of an ideal gas, the pressure exerted on the sides of its container is directly proportional to its absolute temperature.

So, no. of moles and V are constant.

P ∝ T,

<em>∴ P1/T1 = P2/T2.</em>

  • So, the right choice is: <em>Volume and number of moles.</em>
3 0
3 years ago
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The roasted said an atom is least reactive when it contains eight electrons in its outermost shell
GREYUIT [131]
This is true because he don t needs more electrons and the last shell is ful
3 0
3 years ago
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