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STatiana [176]
3 years ago
13

The main difference between heat and temperature is that temperature is solely dependent on the A. mass of a body. B. velocity o

f molecules within a body. C. composition of a body. D. state of matter.
Chemistry
1 answer:
olga_2 [115]3 years ago
4 0

Answer:velocity of molecules within a body

Explanation:

Temperature is defined as the average kinetic energy of the molecules of a body. The kinetic energy of a body depends on the velocity of the molecules of the body. When the temperature of a body increases, its particles acquire greater kinetic energy and move at higher velocity. Hence temperature depends on the velocity of the molecules of a body while heat is a form of energy.

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The spoon should be connected to the negative terminal of the battery. The other electrode should be made of silver.

8 0
2 years ago
Which of these structures is found in all types of plant and animal cells
liq [111]

Answer:

Hi, There!

which of these structures is found in all types of plant and animal cells

  • <u><em>Cell membrane is found in both animal and plant cells. </em></u>
  • <u><em>Nucleus is found in both animal and plant cells. </em></u>
  • <u><em>Cytoplasm is found in both animal and plant cells. </em></u>
  • <u><em>Mitochondria is found in both animal and plant cells. </em></u>
  • <u><em>Endoplasmic reticulum is found in both animal and plant cells. </em></u>
  • <u><em>Golgi apparatus is found in both animal and plant cells. </em></u>
  • <u><em>Lysosomes is found in both animal and plant cells.</em></u>

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5 0
3 years ago
Consider the general reaction: 2 A + b B → c C and the following average rate data over a specific time period \Delta t: - \frac
lawyer [7]

Answer:

c = 4

Explanation:

In general, for the reaction

       a A     +    b B     ⇒ c C   +    d D

the rate is given by:

rate = - 1/a ΔA/Δt = - 1/b ΔB/Δt = + 1/c ΔC/Δt = + 1/d ΔD/Δt

this is done so as to express the rate in a standarized way which is the same to all the reactants and products irrespective of their stoichiometric coefficients.

For this question in particular we know the coefficient of A and need to determine the coefficient c.

- 1/2 ΔA/Δt = + 1/c ΔC/Δt

- 1/2 (-0.0080 ) = + 1/c ( 0.0160 mol L⁻¹s⁻¹ )

0.0040 mol L⁻¹s⁻¹  c = 0.0160 mol L⁻¹s⁻¹

∴ c = 0.0160 / 0.0040 = 4

7 0
3 years ago
What is the volume correction according to the van der Waals equation?
melomori [17]
The correction according to the Van Dee Walls equation is Vn-b
7 0
3 years ago
Read 2 more answers
Gold is often used with other metals, such as copper and zinc, to make jewelry. Approximately 58% of the mass of a certain 40 gr
Oduvanchick [21]

Answer:

1.2 cm³.

Explanation:

The following data were obtained from the question:

Mass of neckl = 40 g

Density of gold = 19.3 g/cm³

Volume of gold =..?

Next, we shall determine the mass of the gold in the necklace.

From the question given above, we were told that 58% of the mass of the necklace is gold. Thus, we can obtain the mass of the gold in the necklace as follow:

Mass of neckl = 40 g

Mass of gold =?

Mass of gold = 58% × 40

Mass of gold = 58/100 × 40

Mass of gold = 23.2 g

Therefore, the mass of the gold in the necklace is 23.2 g

Finally, we shall determine the volume of the gold in the necklace as follow:

Density of gold = 19.3 g/cm³

Mass of gold = 23.2 g

Volume of gold =..?

Density = mass /volume

19.3 = 23.2/Volume

Cross multiply

19.3 × Volume = 23.2

Divide both side by 19.3

Volume = 23.2 / 19.3

Volume of gold = 1.2 cm³

Therefore, the volume of the gold in the necklace is 1.2 cm³

4 0
3 years ago
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