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4 years ago

True or false ( because water has a high _____ objects will float on it )

Chemistry

2 answers:

Kay [80]4 years ago

4 0

True (because water has a high Density objects will float on it)

eimsori [14]4 years ago

3 0

Objects float on water because it has surface tension.

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What is the difference between acute and chronic radiation poisoning

tatiyna

Acute radiation can be healed by developing cells (white blood cells) in the body. During Chronic radiation immense amount of energy is released into your body causing division and break down of cells which can cause cancer and internal bleeding and cannot be cured depending on the amount released.

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4 years ago

Is H2CO3 an Arrhenius acid?

Korolek [52]

Carbonic acid.............................................

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3 years ago

Which pair will for an ionic compound

vovikov84 [41]

Answer: A pair of elements will most likely form an ionic bond if one is a metal and one is a nonmetal. These types of ionic compounds are composed of monatomic cations and anions.

Explanation:

A pair of elements will most likely form an ionic bond if one is a metal and one is a nonmetal. These types of ionic compounds are composed of monatomic cations and anions.

Explanation:

The chart below shows monatomic ions formed when an atom loses or gains one or more electrons, and the ionic compounds they form. You can check your periodic table to see that the cations are monatomic ions formed from metals, and the anions are monatomic ions formed from nonmetals.

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3 years ago

Consider a galvanic cell consisting of the following two redox couplesAlB+ 3e Al , Mga + 2e Mg, (ag. E® = 1.676 V ) E° = 2.356 V

malfutka [58]

Answer:

0.68 V

Explanation:

For anode;

3Mg(s) ---->3Mg^2+(aq) + 6e

For cathode;

2Al^3+(aq) + 6e -----> 2Al(s)

Overall balanced reaction equation;

3Mg(s) + 2Al^3+(aq) ----> 3Mg^2+(aq) + 2Al(s)

Since

E°anode = -2.356 V

E°cathode = -1.676 V

E°cell=-1.676 -(-2.356)

E°cell= 0.68 V

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3 years ago

Why do waves move faster at higher temperatures and in a solid phase?

podryga [215]

<span>There is more energy and the particles are closer together.</span>

7 0

3 years ago

Read 2 more answers