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3 years ago

ILL MAKE YOU BRAINLIEST PLEASE JUST HELP ME :(

Chemistry

2 answers:

madam [21]3 years ago

8 0

Answer:

GM is a technology that involves inserting DNA into the genome of an organism. To produce a GM plant, new DNA is transferred into plant cells. Usually, the cells are then grown in tissue culture where they develop into plants.Explanation:

alexgriva [62]3 years ago

6 0

Genetic Modification is the use of biotechnology (basically scientific research on the process of general modification) to change or modify genes (which are made up of DNA) of an organism

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Write a net ionic equation for the reaction that occurs when excess hydroiodic acid and nickel(II) sulfide are combined.

tiny-mole [99]

Explanation:

Step 1: Write the balanced "molecular" equation:

$2HI(aq) + NIS (s) → NiI₂(aq) + H₂S(g)$

Step 2: H₂S is written in molecular form. Consult the solubility and net ionic equation rules on the information page to determine which of the other substances will dissociate:

$2HI(aq) + NIS (s) → NiI₂(aq) + H₂S(g)$

yes no yes

Step 3: Dissociate all soluble salts, strong acids, and strong bases (except calcium hydroxide). Leave together all "not soluble" salts and weak acids or bases:

${2H₃O}^{ + } (aq) + {2I}^{ - } (aq) + NiS(s)→ { Ni}^{2 + }(aq) + {2I}^{ - }(aq) + H₂S(g) + 2H₂O(l)$

Step 4: Cross out "spectator ions" that appear on both sides of the reaction (these ions do not participate in the chemistry) and rewrite the "net" reaction using the smallest possible coefficients:

${2H₃O}^{ + } (aq) + NiS(s) → { Ni}^{2 + } (aq) + H₂S(g) + 2H₂O(l)$

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3 years ago

Dựa vào lý thuyết MO Huckel, hãy viết định thức thế kỷ cho phân tử khảo

MArishka [77]

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What did Dalton’a atomic theory teach?

seraphim [82]

That John Dalton was an English chemist that was most famous for proposing atomic chemistry.He proposed atomic theory in 1803,which states that all matter is composed of small indivisible particles called atoms.

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A 74 kg zebra is traveling 15 m/s east. What is the zebra’s momentum

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Mass × velocity = momentum

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4 years ago

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stich3 [128]

Answer:

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3 years ago

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