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faltersainse [42]
3 years ago
11

Some states authorize a to make healthcare decisions ------- for patients who can't make them because they're incapacitated. O a

) healthcare proxy b) living will O c) durable power of attorney O d) do-not-resuscitate order
Chemistry
1 answer:
Tom [10]3 years ago
7 0

Explanation:

A student flips four different coins at the same time. Which choice shows all of the possibilities for the results of the coin toss? (H = heads, T = tails)

A HH, TT, HT, TH

B HHHT, HTTT, HHTT

C HHH, TTT, HTH, HTT

D HHHH, HTHH, HTTH, HTTT, TTTT

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Vadim26 [7]

Answer:

So, you're dealing with a sample of cobalt-60. You know that cobalt-60 has a nuclear half-life of

5.30

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10.0

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A radioactive isotope's half-life tells you how much time is needed for an initial sample to be halved.

If you start with an initial sample

A

0

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2

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after one half-life passes;

A

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2

⋅

1

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=

A

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4

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after two half-lives pass;

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8

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after three half-lives pass;

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after four half-lives pass;

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Explanation:

now i know the answer

6 0
2 years ago
Soil horizons develop as a result of
harkovskaia [24]
The interactions of climate, living organisms, and landscape .
4 0
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When exothermic reactions occur, ______________.
marusya05 [52]

Answer:

heat energy is released into the surrounding

3 0
2 years ago
If the DISTANCE traveled for the PURPLE line is 3.5m and it traveled for 1.75 seconds, what was it's speed?
julia-pushkina [17]

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2 years ago
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A sample of a substance has these characteristics: melting point of 984 K hard, brittle solid at room temperature poor conductor
ANEK [815]

The correct answer is option 4, that is, an ionic compound.  

The mentioned features belong to an ionic compound. The ionic compounds exhibit strong bonds in between their atoms, that is, an ionic bond is the strongest molecular bond, this confirms that ionic compounds exhibit a high melting point.  

The ionic compounds do not transmit current, as they do not possess free electrons, like metals, thus, they are poor conductors as solid. The ionic compounds get dissolve in water and form ions that are the charges, which can move, making them good conductors as a liquid. The composition of the ionic compound is a set of crystals that makes them brittle and hard.  

7 0
3 years ago
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