In a motion diagram the size of the object must be less than the distance moved t or f

Chemistry

2 answers:

KATRIN_1 [288]3 years ago

6 0

The awnser is false.

UNO [17]3 years ago

5 0

False is the answer.

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How many H atoms in 12H2O?

Ilya [14]

Answer:

24 atoms of H or 1.4 x 10²⁵ hydrogen atoms

Explanation:

simple method

1 H₂O has atoms of hydrogen and 1 atom of oxygen

while 12H₂O will have 24 atoms of hydrogen and 12 atom of oxygen

by Avagadros number

molar mass of water H₂0=18.01528 g/mol

1 mole of H₂0 have 2 moles of Hydrogen

one mole of water= 6.02⋅10²³water molecules =1.2 x 10²⁴hydrogen atoms

12 mole of H₂O = 1.2 x 10²⁴ x 12= 1.4 x 10²⁵ hydrogen atoms

1.4 x 10²⁵ hydrogen atoms in 12 moles of H₂O

3 0

3 years ago

A physical change is a change to a sample of matter in which -

Readme [11.4K]

Answer:

its FALSE

Explanation:

FAKE ITS NOT REAL

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4 years ago

What are the products of any combustion reaction involving a hydrocarbon

sweet [91]

Answer:

The products of the combustion of hydrocarbons are carbon dioxide and water. Many hydrocarbons are used as fuel because their combustion releases very large amounts of heat energy.

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2 years ago

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A reaction between which two reactants will consistently yield a salt that forms an acidic solution?

lesya [120]

Answer:

A reaction between a strong acid and a weak base.

Explanation:

The conjugate acid of a weak base is a strong acid.

$\underbrace{\hbox{H}_{3}\text{O}^{+}}_{\hbox{acid}} + \underbrace{\hbox{B}}_{\hbox{base}} =\underbrace{\hbox{BH}^{+}}_{\hbox{acid}} + \underbrace{\hbox{H}_{2}\text{O}}_{\hbox{acid}}$

The reaction above is reversible, so we can write

$\underbrace{\hbox{BH}^{+}}_{\hbox{acid}} + \underbrace{\hbox{H}_{2}\text{O}}_{\hbox{base}}\rightleftharpoons \underbrace{\hbox{H}_{3}\text{O}^{+}}_{\hbox{acid}} + \underbrace{\hbox{B}}_{\hbox{base}}$