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3 years ago

The periodic table is organized left to right by __________.

Chemistry

2 answers:

alexandr1967 [171]3 years ago

4 0

The answer will be B. Metals, metaloides, nonmetals

Romashka [77]3 years ago

3 0

Answer:

Metals, metalloids, non-metals

Explanation:

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What is the pH of a solution with (H'] = 1.25 x 10-10 M?

Gelneren [198K]

Answer:

9.90

Explanation:

ph= -log (H+) = -log( 1.25×10^-10)

which equals to 9.903

so the answer is 9.90

7 0

3 years ago

2) While traveling in Germany you pass a gas station and see that the cost of one liter of gasoline is 1.35 euros. What is the c

jonny [76]

One liter of gasoline = 1.35 euros.

To convert this to dollar, you just need to multiply :

1.35 x 1.07 $

= $ 1.445

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3 years ago

Evan drew a diagram to illustrate radiation. A yellow sun in a black background sends red curved arrows to the Earth What do the

Flura [38]

Answer:

electromagnetic waves

Explanation:

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3 years ago

What is one way to create a negative ion?

san4es73 [151]

Answer:

Burn beeswax candles. They clean the air, produce negative ions, and assist with allergy and asthma reduction. Run an indoor water fountain. The force or energy of falling water causes the neutral particles in air to split which frees electrons to attach to other air molecules resulting in negative ions.

Explanation:

8 0

3 years ago

Aqueous potassium phosphate was mixed with aqueous magnesium chloride, and a crystallized magnesium phosphate product was formed

scoray [572]

<u>Answer:</u> The other product formed is potassium chloride.

<u>Explanation:</u>

Precipitation reaction is defined as the chemical reaction in which an insoluble salt is formed when two solutions are mixed containing soluble substances. The insoluble salt settles down at the bottom of the reaction mixture.

The chemical equation for the reaction of potassium phosphate and magnesium chloride follows:

$2K_3PO_4(aq.)+3MgCl_2(aq.)\rightarrow Mg_3(PO_4)_2(s)+6KCl(aq.)$

By Stoichiometry of the reaction:

2 moles of aqueous solution of potassium phosphate reacts with 3 moles of aqueous solution of magnesium chloride to produce 1 mole of solid magnesium phosphate and 6 moles of aqueous solution of potassium chloride.

Hence, the other product formed is potassium chloride.

4 0

4 years ago