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3 years ago

When OH- and H+ ions are brought together, they quickly combine to form water molecules.

Chemistry

1 answer:

Alik [6]3 years ago

5 0

True because positive and negative ions makes neutral hence the water is neutral

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Do birds with longer or shorter wings fly faster? Write a hypothesis

konstantin123 [22]

I believe that birds with longer wings will fly faster as longer wings will allow the birds to push away more air and create more force allowing them to move at a greater velocity. I believe that wing length is one of the greatest determinants in overall speed for a flying species of animal.

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3 years ago

If a radio station transmits on AM 610, how many hertz (Hz) is the frequency of the wave? (Remember that kHz = kilohertz.)

elixir [45]

Answer:

610,000

Explanation:

8 0

3 years ago

Write the empirical formula of at least four binary ionic compounds that could be formed from the following ions: Zn2+, Ni4+, F-

hram777 [196]

Ionic compounds are formed between oppositely charged ions.

A binary ionic compound is composed of ions of two different elements - one of which is a positive ion(metal), and the other is negative ion (nonmetal).

To write the empirical formula of binary ionic compound we must remember that one ion should be positive and other ion should be negative, then only the correct formula should be written. To write the empirical formula the charges of opposite ions should be criss-crossed.

First empirical formula of binary ionic compound is written between $Zn^{2+} (Positive ion)and F^{-} (Negative ion)$

First Formula would be $ZnF_{2}$

Second empirical formula is between $Zn^{2+}(Positive ion) and O^{2-}(Negative ion)$

Second Formula would be $Zn_{2}O_{2}$

Note : When the subscript are same they get cancel out, so $Zn_{2}O_{2}$ would be written as $ZnO$

Third empirical formula is between $Ni^{4+}(Positive ion) and F^{-}(Negative ion)$

Third Formula would be : $NiF_{4}$

Forth empirical formula is between $Ni^{4+}(Positive ion)and O^{2-}(negative ion)$

Forth Formula would be : $Ni_{2}O_{4}$ or $NiO_{2}$

Note- The subscript will be simplified and the formula will be written as $NiO_{2}$ .

The empirical formula of four binary ionic compounds are : $ZnF_{2}, ZnO, NiF_{4},NiO_{2}$

8 0

2 years ago

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What is the product of 1.65 and 1.05 x 10-27

lilavasa [31]

Answer:

-9.675

Explanation:

correct me if im wrong.!!

3 0

2 years ago

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What is the product of the reaction between HCIO3 and KOH

NISA [10]

Answer:

The products are: KCl03 and H20.

Explanation:

The reaction between HC03 (chloric acid) and KOH (potassium hydroxide) is:

HC03 + KOH ----> KCl03 (KCl03 and H20) + H20 (water)

The reaction is of the double displacement type (in this case parts of the reagents are exchanged, producing two generating new compounds).

7 0

3 years ago