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Oxana [17]
3 years ago
5

Equal masses of aluminum and copper are heated to 100 degree C and placed in water. Which would cause the water to reach the hig

her temperature? Explain your answer.
Chemistry
1 answer:
Fittoniya [83]3 years ago
8 0

Answer:

copper will reach to higher temperature first.

Explanation:

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light with a high enough intensity

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Express 0.0004120 in scientific notation.
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4.120 × 10^-4

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I will give brainliest and 76 points
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number 5 is the answer

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Three quantum numbers are derived from Schrodinger’s equation that describe the probability of finding an electron around a nucl
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Principle: Orbital size & main energy level

Angular: Orbital shape

Magnetic: Orbital orientation

Orbital size is Principle; main energy level is Principle; shape is Angular; orientation is Magnetic

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0 looks like circle

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2 looks like a flower or 4 leaf clover

3 looks like multiple lobes

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brainly.com/question/16979660

3 0
2 years ago
. At 400 K, the half-life for the decomposition of a sample of a gaseous compound initially at 55.5 kPa was 340 s. When the pres
Hitman42 [59]

Answer:

The order of this half-life reaction is zero. This is a zero order reaction.

Explanation:

Step 1: Data given

At the pressure P0,1 of 55.5 kPa, the half-life is 340 s

At the pressure P0,2 of 28.9 kPa, the half-life is 178 s

Step 2: Calculate the order

(n-1) = ((log (t1/2P0,1 / t1/2P0,2)) / (log (P0,2 /P0,1)))

⇒ with t1/2P0,1 = the half-life at a pressure of 55.5 kPa = 340 s

⇒ with t1/2P0,2 = the half-life at a pressure of 28.9 kPa = 178 s

⇒ with P0,1 = the pressure of 55.5 kPa

⇒ with P0,2 = the pressure of 28.9 kPa

(n-1) = (log (340/178)) /  log( 28.9/55.5)

(n-1) = log (1.91) / log(0.52)

(n-1) = 0.281 / -0.284

n-1 = -1

n = 0

The order of this half-life reaction is zero. This is a zero order reaction.

4 0
3 years ago
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