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telo118 [61]
2 years ago
12

URGENT PLEASE ANSWER

Chemistry
1 answer:
Alona [7]2 years ago
5 0

Answer:

1. nucleus

2.14

3.14

4.3

5. 4+ or 4-

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Which of the following statements about complete metamorphosis is TRUE?
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ill answer if u answer this FAST

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3 years ago
A student mixes some water at room temperature with a white powder also at room temperature. The white powder disappears into th
Leya [2.2K]
Chemical change, because the white powder heated the water and caused a thermal reaction, and possibly gas was produced due to bubbles.
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What makes an acid acidic? a) Number of protons in a molecule b) Temperature c) Chemical structure d) Phase​
charle [14.2K]

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7 0
2 years ago
Pls help ty so much!
Nitella [24]

\quad \huge \quad \quad \boxed{ \tt \:Answer }

\qquad \tt \rightarrow \:mass = 11.42 \:\: grams

____________________________________

\large \tt Solution  \: :

\qquad \tt \rightarrow \: Q = ms\Delta T

  • \textsf{Q = heat evolved/absorbed = 501 J}

  • \textsf{m = mass in gram = ?}

  • \textsf{s = specific heat = 0.45}

  • \textsf{ΔT = change in temp = 120 - 22.5 =97.5°C}

\large\textsf{Find m : }

\qquad \tt \rightarrow \: 501 = m \sdot(0.45) \sdot(97.5)

\qquad \tt \rightarrow \:  501 = m \sdot43.875

\qquad \tt \rightarrow \: m =  \dfrac{501}{43.875}

\qquad \tt \rightarrow \: m  \approx11.42 \:  \: g

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

4 0
1 year ago
In which Colorado Rockies scenario was there more erosion? Why was there more erosion in the scenario?
DENIUS [597]

Answer:

Explanation:

The Erosion in the Colorado Rookies Scenario that record a ready rain were more than the other scenario in the same area with just a drizzle. The Erosion is much in the Colorado Rockies Scenario that record a steady rain because the volume of the rivers has goes up compare to that of the Scenario with just a drizzle. As a result of the increased in the amount of the rivers bank that is flowing, the river flows more faster which helps in the transportation of the sediments or Erodes.

4 0
3 years ago
Read 2 more answers
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