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koban [17]
3 years ago
11

what is the proper scientific notation for 0.000476? a.0.476 × 10-3 b.4.76 × 10-4 c.47.6 × 10-5 d.476 × 10-6

Chemistry
1 answer:
-BARSIC- [3]3 years ago
6 0
B. 4.75 × 10-4 is the answer
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Please help me I need these answers
Cerrena [4.2K]

1 is true

2 is d 7

3 is

            1             e

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            4             a

            5             c

8 0
3 years ago
Select the one that most likely has the highest rate of effusion Oxygen (O2) or hydrogen (H2):
Serhud [2]

The answer is hydrogen (H2) because i just answered this question from Edgenuit.

8 0
4 years ago
What is the pH for a 0.10 M HCI solution at 25<br> degreesCelsius?
11Alexandr11 [23.1K]

Answer:

1.0

Explanation:

Hydrochloric acid is a strong acid, that is, an acid that dissociates completely, according to the following reaction.

HCl(aq) → H⁺(aq) + Cl⁻(aq)

Then, the concentration of H⁺ will be equal to the initial concentration of the acid, i.e., 0.10 M.

We can calculate the pH using the following expression.

pH = -log [H⁺] = -log 0.10 = 1.0

3 0
3 years ago
Of the reactions involved in the photodecomposition of ozone (shown below), which are photochemical? 1. o2 (g) + hν → o (g) + o
Taya2010 [7]

Answer:

The answers are...

Explanation:

2 and 4.

8 0
3 years ago
What is 0.3m equal to mm?
madreJ [45]

0.3×100cm=300cm

300cm×10mm=3000

4 0
3 years ago
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