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kondor19780726 [428]
3 years ago
11

Which scientific theory explains that the universe originated from a small densely packed space

Chemistry
2 answers:
vladimir2022 [97]3 years ago
5 0
The big bang theory.
Tanzania [10]3 years ago
5 0

Answer:

The big bang theory

Explanation:

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You can tell if an object is in motion if ___.
neonofarm [45]

Answer:

c

Explanation:

I think that's the answer

3 0
3 years ago
Someone please answer this...
kupik [55]

Answer:

5446.8 J

Explanation:

From the question given above, the following data were obtained:

Mass (M) = 50 g

Initial temperature (T₁) = 70 °C

Final temperature (T₂) = 192.4 °C

Specific heat capacity (C) = 0.89 J/gºC

Heat (Q) required =?

Next, we shall determine the change in the temperature. This can be obtained as follow:

Initial temperature (T₁) = 70 °C

Final temperature (T₂) = 192.4 °C

Change in temperature (ΔT) =?

ΔT = T₂ – T₁

ΔT = 192.4 – 70

ΔT = 122.4 °C

Finally, we shall determine the heat required to heat up the block of aluminum as follow:

Mass (M) = 50 g

Specific heat capacity (C) = 0.89 J/gºC

Change in temperature (ΔT) = 122.4 °C

Heat (Q) required =?

Q = MCΔT

Q = 50 × 0.89 × 122.4

Q = 5446.8 J

Thus, the heat required to heat up the block of aluminum is 5446.8 J

5 0
3 years ago
A small container of perfume is opened in a classroom. Soon every student in the room smells the perfume. Explain this in terms
melamori03 [73]

Answer: possibly diffusion

Explanation:

all particles are in motion unless at a certain degree so they'd spread throughout the room diluting as they continue to spread out.

6 0
3 years ago
What is the coefficient of the H2O in the balanced chemical
Ivahew [28]

Answer:

Al2O3 + H2SO4 = Al2(SO4)3 + H2O

Explanation:

4 0
3 years ago
Which of the following is not a characteristic of minerals
PSYCHO15rus [73]
What are the following?
4 0
3 years ago
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