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2 years ago

Give an example to illustrate the difference between "paying more in taxes ” and paying a higher tax rate .

Chemistry

1 answer:

alexira [117]2 years ago

3 0

Paying cghhi hulk. Chunk but. Non. Hiking bhjug bhi jhuti bbbkihhn. Pls mark me brainliest

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Which of the following precautions is important when using a Bunsen burner or Meker burner?a. Set up your work space so that wir

Gekata [30.6K]

Answer:

Never leave an open flame unattended

Explanation: if an open flame is left unattended it can cause a fire outbreak so we have to watch it at all times to prevent the fire outbreak

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3 years ago

How does a difference in 1 pH unit change in terms of H+ concentration? Ex: How does a pH of 3 differ from the pH of 4? Which on

yuradex [85]

Answer:

A difference of 1 would mean there is either x10 more or less depending on where you are starting.

Explanation:

The pH of 3 differs from 4 because the acidity of 3 is 10x higher than that of 4. This is due to how the scientific notation of 3 in relation to pH is 10x^-3 while that of 4 is 10^-4 so in terms of the stronger acid that would be the one with the pH of 3.

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2 years ago

if we add mass to a paper airplane then the distance of the plane flies will increase or decrease why?

Ann [662]

It matters to the aerodynamics of it because sometimes it's good to have the weight but only if it can take it.

8 0

2 years ago

Which conversion of energy always occurs in a voltaic cell?

kvasek [131]

(4) chemical energy to electrical energy is the correct answer.
Hope this helps~

4 0

2 years ago

What is the oh- in a solution with a poh of 5.71

Rudik [331]

Answer:- The hydroxide ion concentration of the solution is $1.95*10^-^6$ .

Solution:- The formula used to calculate pOH from hydroxide ion is:

$pOH=-log[OH^-]$

When pOH is given and we are asked to calculate hydroxide ion concentration then we multiply both sides by negative sign and take antilog and what we get on doing this is:

$[OH^-]=10^-^p^O^H$

pOH is given as 5.71 and we are asked to calculate hydrogen ion concentration. Let's plug in the given value in the formula:

$[OH^-]=10^-^5^.^7^1$

$[OH^-]$ = 0.00000195 or $1.95*10^-^6$

So, the hydroxide ion concentration of the solution is $1.95*10^-^6$ .

3 0

2 years ago