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Usimov [2.4K]
3 years ago
8

Which of these is an organism? a virus b heart c bacteria d lung

Chemistry
2 answers:
worty [1.4K]3 years ago
7 0
Bacteria, because it is a living system :)
Nana76 [90]3 years ago
4 0
Hi , bacteria is the answer.
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A student carries out this chemical reaction in a beaker:
nydimaria [60]

Answer:The correct answer is option (C).

Explanation:

Zn+CuCl_2\rightarrow Cu+ZnCl_2

After the reaction between Zinc and copper(II) chloride, Zinc chloride and copper will be obtained as a product. This reaction occurs because zinc is more reactive than copper which displaces the copper from its aqueous solution.

The student will expect to find copper metal at bottom of the beaker with aqueous solution of zinc chloride.

Hence the correct answer is option (C).

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2 years ago
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guajiro [1.7K]

Answer:

oceans is the answer that I got

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How many moles of molecules are in 40g of H2O?
soldier1979 [14.2K]
Molecular mass of H2O is: 16+2*1=18
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6 0
3 years ago
Read 2 more answers
D. Write the name of the branched alkane next to the drawing of the molecule. (2 points)
lbvjy [14]

Answer: hello your question lacks some data attached below is the missing data

answer :

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b) 2-methyl pentane

c) 2-methyl heptane

d) 2-methyl hexane

e) 3-methyl hexane

Explanation:

we will select the longest carbon chain as the branched alkane and name it

a) 3-methyl heptane ( first diagram )

b) 2-methyl pentane ( second diagram )

c) 2-methyl heptane ( third diagram )

d) 2-methyl hexane ( fourth diagram )

e) 3-methyl hexane ( fifth diagram )

<em>Note : sixth diagram = first diagram </em>

7 0
2 years ago
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non-metals

they don't conduct heat

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3 years ago
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