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3 years ago

Physical and psychological dependence, high-risk behaviour, and chronic high blood

Chemistry

1 answer:

antiseptic1488 [7]3 years ago

6 0

Answer:

Physical and psychological dependence is high, and withdrawal symptoms include watery eyes, runny nose, loss of appetite, irritability, tremors, panic, abdominal cramps and diarrhea, nausea, chills, and sweating. Use of contaminated syringes/needles to inject drugs may result in serious blood borne infections such as HIV-AIDS and hepatitis.

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Planet A is an inner planet with no moon and hardly any atmosphere. Planet B is an inner planet with no moon but with a dense at

postnew [5]

I think the answers are Mars and Venus

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3 years ago

24-Complete the following sentence:

docker41 [41]

Answer:

B. Solvent

Explanation:

In osmosis, water always moves from low solute concentration to high solute concentration. SOLUTE NEVER MOVES AS IT CANNOT PASS THE SELECTIVELY PERMEABLE MEMBRANE. alot of caps but need to stress this concept cuz otherwise this concept gets very confusing

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3 years ago

An electrochemical cell has the following standard cell notation.

icang [17]

The cell notation is:

$Mg(s)|Mg^{+2}(aq)||Ag^{+}(aq)|Ag(s)$

here in cell notation the left side represent the anodic half cell where right side represents the cathodic half cell

in anodic half cell : oxidation takes place [loss of electrons]

in cathodic half cell: reduction takes place [gain of electrons]

1) this is a galvanic cell

2) the standard potential of cell will be obtained by subtracting the standard reduction potential of anode from cathode

$E^{0}_{Mg}=-2.38V$

$E^{0}_{Ag}=+0.80V$

Therefore

$E^{0}_{cell}=0.80-(-2.38)=+3.18V$

3) as the value of emf is positive the reaction will be spontaneous as the free energy change of reaction will be negative

Δ $G^{0}=-nFE^{0}$

As reaction is spontaneous and there will be conversion of chemical energy to electrical energy it is a galvanic cell.

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3 years ago

Oxygen has 8 electrons. Is it chemically inert or reactive?

liraira [26]

Answer:

Reactive

Explanation:

8 0

3 years ago

Read 2 more answers

When 12 moles of o2 react with 1.1 mole of c10h8 what is the limiting reactant?

Trava [24]

1.1 moles of C10H8 is the limiting reagent in the reaction between reaction C10H8 and O2
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C10H8 + 12O2 ----> 10CO2 + 4H2O

C10H8 is the limiting reagent since 1.1 moles of C10H8 is totally consumed during the reaction

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3 years ago

Read 2 more answers