Why is mineral water a compound

Chemistry

1 answer:

madreJ [45]3 years ago

5 0

Answer:

Because it is made up of different minerals which are chemically combined.

Explanation:

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Write at least three characteristics of acids and three characteristics of bases. These characteristics should be what makes the

ki77a [65]

Characteristics of acid

-It tastes sour
-It reacts with metals and carbonates
-It turns blue litmus paper red

Characteristics of base

-It tastes bitter
-It feels slippery
-It turns red litmus paper blue.

3 0

3 years ago

If you start with 1.000 gram sample of the isotope how much time would pass before you have just 0.100 grams of the isotope left

Vadim26 [7]

Answer:

So, you're dealing with a sample of cobalt-60. You know that cobalt-60 has a nuclear half-life of

5.30

years, and are interested in finding how many grams of the sample would remain after

1.00

year and

10.0

years, respectively.

A radioactive isotope's half-life tells you how much time is needed for an initial sample to be halved.

If you start with an initial sample

, then you can say that you will be left with

→

after one half-life passes;

⋅

→

after two half-lives pass;

⋅

→

after three half-lives pass;

⋅

→

after four half-lives pass;

⋮

Explanation:

now i know the answer

6 0

3 years ago

8. What volume (ml) of a 5.45 M lead nitrate solution must be diluted to 820.7 ml to make a

Ganezh [65]

212 ml of lead nitrate is required to prepare a dilute solution of 820.7 ml of lead nitrate.

Answer:

Option A.

Explanation:

Similar to Avagadro's law, there is another law termed as dilution law. As the product of volume and normality of the reactant is equal to the product of volume and normality of the product from the Avagadro's law. In dilution law, it will be as product of volume and concentration of the solute of the reactant is equal to the product of volume and concentration of solution.

$C_{1} V_{1} =C_{2} V_{2}$