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Scilla [17]
2 years ago
8

Suzy uses an italian salad dressing on her lunch. This ____________ mixture is a suspension of oil and vinegar. Question 19 opti

ons: heterogeneous heterologous homogeneous homologous.
Chemistry
1 answer:
padilas [110]2 years ago
3 0

This <u>heterogeneous </u>mixture is a suspension of oil and vinegar

A mixture is a physical combination of two or more substances and each of these substances preserves its identity and form in the mixture.

A homogeneous mixture is a mixture in which is one substance thoroughly dissolves in the other and its composition is uniform throughout the solution. e.g salt and water.

A heterogeneous mixture is one in the two substances form two layers and their composition varies throughout the mixture.

From the given information, the mixture of oil and vinegar is an example of a heterogeneous mixture.

Learn more about mixtures here:

brainly.com/question/24713315?referrer=searchResults

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After 11.5 days, 12.5% of a sample of radon-222 that originally weighed 42g remains. What is the half-life of this isotope?
Bond [772]
Half-life is defined as the amount of time it takes a given quantity to decrease to half of its initial value.  The equation to describe the decay is
Nt=N0(1/2) ^{t/t(1/2)}  where N0 is the initial quantity, Nt is the remaining quantity after time t, t1/2 is the half-time.  So work out the equation, t1/2 = t (-ln2)/ln(Nt/N0) = 11.5*(-ln2)/ln(12.5/100) = 3.83 days
5 0
3 years ago
what is the proper name for the following alkyl side group where the main carbon chain is denoted with a squiggly line?
chubhunter [2.5K]

The proper name for the following alkyl side group where the main carbon chain is denoted with a squiggly line is isopropyl.

In natural chemistry, an alkyl substituent is an alkane missing one hydrogen. The term alkyl is intentionally unspecific to include many viable substitutions. An acyclic alkyl has the overall formulation of CₙH₂ₙ₊₁.

An alkyl is a purposeful institution of an organic chemical that includes only carbon and hydrogen atoms, that are organized in a chain. Examples include methyl CH3 (derived from methane) and butyl C2H5 (derived from butane). they may be now not located on their own however are discovered attached to different hydrocarbons.

what is an alkyl group? Alkyl group is shaped through putting off a hydrogen atom from the molecule of alkane. Alkanes are quite regularly represented as R-H and here R stands for alkyl group. the overall method of the alkyl organization is CₙH₂ₙ₊₁. The smallest alkyl organization is CH3 referred to as methyl.

Learn more about alkyl group here:- brainly.com/question/14272539

#SPJ4

4 0
1 year ago
A turtle moves at a speed of 1.0km/h. How fast is the turtle moving in meter per second
e-lub [12.9K]

Answer:

The speed of the turtle is 9.41 centimeters per second.

Explanation:

Speed of small turtle = 566 furlong/fortnight

1 furlong = 20,116.8 cm

1 fortnight = 1,209,600 seconds

Speed of small turtle in centimeter per seconds:

The speed of the turtle is 9.41 centimeters per second.

Explanation:

5 0
2 years ago
Please help :)
eimsori [14]
Distance and period of time
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