3 years ago

Give the word and chemical equations (including state symbols) for the reaction of potassium and water

Chemistry

1 answer:

zepelin [54]3 years ago

7 0

Answer:

Zinc is Zn and Magnesium is Mg

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Write the Rate Law

Ivanshal [37]

As we know that rate law expression is

$r = k { |a| }^{2} { |b| }^{2}$

(a)

$r = k { |o2| }^{1} { |no2| }^{2}$

(b)

$r = k { |cl2| }^{1}$

(c)

$r = k { |chcl3|}^{1} { |cl2| }^{1}$

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3 years ago

Suppose there is 0.63 g of HNO3 per 100 mL of a particular solution. What is the concentration of the HNO3 solution in moles per

Vadim26 [7]

Answer:

There are 0.09996826 moles per liter of the solution.

Explanation:

Molar mass of HNO3: 63.02

Convert grams to moles

0.63 grams/ 63.02= 0.009996826

Convert mL to L and place under moles (mol/L)

100mL=0.1 L

0.009996826/0.1= 0.09996826 mol/L

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If an atom of Carbon has 12 protons and 14 electrons what kind of ion is it and what is its charge?

Leto [7]

The answer will be Magnesium. It is a two positive ion and it can charge electrons and protons.

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The number of protons + number of neutrons is<br> equal to the

max2010maxim [7]

Answer: mass

Explanation: the protons and neutrons make up the nucleus and nearly the entire mass of the atom

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3 years ago

What layers are composed of metals? Choose all that apply.<br> Inner core<br> Outer core<br> Mantle

svlad2 [7]

Answer:

to be honest ask your teacher

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2 years ago