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densk [106]
3 years ago
13

A characteristic of acids is that they react with metals to: form non-metals release water release hydrogen gas produce bases

Biology
2 answers:
astra-53 [7]3 years ago
6 0
<span>  a characteristic of acids is that they react with metals to release hydrogen gas.</span>
Dahasolnce [82]3 years ago
3 0

Answer:  

When an acid reacts with a metal it results in the formation of salt and hydrogen gas is liberated. For example, the nitric acid reacts with the calcium it forms salts of calcium nitrate and hydrogen gas is liberated.

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Which trait exhibits typical dominant/recessive inheritance in humans?
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C6H12O6 is a type of..<br><br> A. amino acid<br> B. carbohydrate<br> C. polymer<br> D. protien
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7 0
3 years ago
Read 2 more answers
A performer, seated on a trapeze, is swinging back and forth with a period of 8.90 s. If she stands up, thus raising the center
iren2701 [21]

Answer:

8.800s

Explanation:

When the performer swings, she oscillates in SHM about Lo of the string with time period To = 8.90s.

First, determine the original length Lo, where for a SHM the time period is related to length and the gravitational acceleration by the equation

T = 2π×√(Lo/g)..... (1)

Let's make Lo the subject of the formulae

Lo = gTo^2/4π^2 ..... (2)

Let's put our values into equation (2) to get Lo

Lo = gTo^2/4π^2

= (9.8m/s^2)(8.90s)^2

------------------------------

4π^2

= 19.663m

Second instant, when she rise by 44.0cm, so the length Lo will be reduced by 44.0cm and the final length will be

L = Lo - (0.44m)

= 19.663m - 0.44m

= 19.223m

Now let use the value of L into equation (1) to get the period T after raising

T = 2π×√(L/g)

= 2π×√(19.223m/9.8m/s^2)

= 8.800s

7 0
3 years ago
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