1. Where might Jon find an ecosystem to study, near his home?

Chemistry

2 answers:

Anna71 [15]2 years ago

6 0

B. the creek nearby

nydimaria [60]2 years ago

3 0

Answer:

the creek nearby

Explanation: the best ecosystem to study

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Molecular equation:
$H_{2}SO_{4}(aq) + 2NaOH(aq)--\ \textgreater \ Na_{2}SO_{4}(aq) + 2H_{2}O(l)

Complete ionic equation:

2H^{+}+SO_{4}^{2-} + 2Na^{+} +2OH^{-}--\ \textgreater \ 2Na^{+}+SO_{4}^{2-} + 2H_{2}O(l)


Near 2H^{+},SO_{4}^{2-} , 2Na^{+} , OH^{-} 

should be written (aq).

Remove ions that do not change from both sides

2H^{+} + 2OH^{-}=2H_{2}O

Net ionic equation:

H^{+}(aq) + OH^{-}(aq)=H_{2}O(l)

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3 years ago

How many grams hydrogen in 4.5 mol H2SO4

swat32

H2SO4 ---> 2H^+ + SO4^2-

Hence n H+ = 9 mols

Mass of H = nM = (9*1) = 9g

Alternately

mass of H2SO4= nM= 4.5*98= 441

Mass of H= mass h2so4 * molar mass of H/molar mass of h2so4
Mass of H= 441 * 2/98 = 9g

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Answer:

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What istope of an atom if it has 29 protons and 36 neutrons?<br>

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Answer:

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