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3 years ago

pls hurry, will give brainlyest or whatever!!

Chemistry

1 answer:

brilliants [131]3 years ago

4 0

Answer:

all of the above. they all are chemical reactions

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What is made up of only one type of molecule

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Answer:

one molecule is made up of one type of molecule

Explanation:if it is one molecule it has to me made of other atoms and not of other molecules

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3 years ago

The relationship between the frequency and wavelength of a wave is

Ilya [14]

Answer:

Explanation:

Frequency and wavelength are inversely proportional

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3 years ago

The normal range of the pH of blood is between 7.35 and 7.45; variations beyond this range have significant health implications.

patriot [66]

Answer:

The hydrogen ion concentrations associated with these pH value 7.35 is $4.5\times 10^{-8} M$

The hydrogen ion concentrations associated with these pH value 7.45 is $3.6\times 10^{-8} M$ .

Explanation:

To calculate the pH of the solution, we use the equation:

$pH=-\log[H^+]$

We are given:

1) pH = 7.35

Putting values in above equation, we get:

$7.35=-\log[H^+]$

$[H^+]=4.467\times 10^{-8} M\approx 4.5\times 10^{-8} M$

The hydrogen ion concentrations associated with these pH value 7.35 is $4.5\times 10^{-8} M$

2) pH = 7.45

Putting values in above equation, we get:

$7.45=-\log[H^+]$

$[H^+]=3.548\times 10^{-8}M \approx 3.6\times 10^{-8} M$

The hydrogen ion concentrations associated with these pH value 7.45 is $3.6\times 10^{-8} M$ .

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3 years ago

If the federal government wants to encourage businesses and consumers to spend more money, it would MOST LIKELY

ICE Princess25 [194]

If the federal government wants to encourage businesses and consumers to spend more money, it would most likely to reduce the price of the goods to attract more buyers and sellers

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4 years ago

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Which step will decrease the pressure of a gas inside a closed cubical container?

ANTONII [103]

Answer:lol

Explanation:

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3 years ago

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*pls hurry, will give brainlyest or whatever!!*

pls hurry, will give brainlyest or whatever!!