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Alisiya [41]
3 years ago
8

A log has a density of .8 g/cm³. What will happen to this log in freshwater, which has a density of 1.0 g/cm³?

Chemistry
2 answers:
Lunna [17]3 years ago
8 0

Answer:

B: It will float.

Explanation:

on edge2021! hope this helps!!~ (=^▽^=)

Inga [223]3 years ago
6 0

Answer:

The log will float on the water because its density is lower than the liquid, so it will stay at the top due to Archimedes' principle.

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If you collect 5.74 mL of O 2 at 298 K and 1.00 atm over 60.0 seconds from a reaction solution of 5.08 mL, what is the initial r
skad [1K]

Answer:

7.71 × 10⁻⁴ M/s

Explanation:

The initial rate of the reaction can be expressed by using the formula:

\dfrac{\Delta [O_2]}{\Delta t}

where the number of moles of O₂ = \dfrac{PV}{RT}

where;

Pressue P = 1.00 atm

Volume V =5.74mL =  (5.74 /1000) L

Rate R = 0.082 L atm/mol.K

Temperature = 298 K

= \dfrac{1.00 \ atm \times \dfrac{5.74 }{1000}L}{0.082 \ L \ atm/mol.K \times 298 K}

= 2.35 × 10⁻⁴ mol

Δ[O₂] = \dfrac{moles \ produced - initial \ mole}{\dfrac{5.08 }{1000}L }

Δ[O₂] = \dfrac{2.35 \times 10^{-4} M  - 0 M}{\dfrac{5.08 }{1000}}

Δ[O₂]  = 0.04626 M

The initial rate = \dfrac{\Delta [O_2]}{\Delta t}

= \dfrac{0.04626}{60}

= 7.71 × 10⁻⁴ M/s

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4 years ago
Help! Giving brainliest!!!!
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The answer is C. more better. Like I'm better everyday :D


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4 0
3 years ago
Is soda an acid or a base
Aneli [31]

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Explanation:

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