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Yuri [45]
2 years ago
14

A lead apron is a ________________ instrument classification of disease transmission. Fill in the blank

Chemistry
1 answer:
pochemuha2 years ago
7 0

Answer:

A lead apron is a <u>non-critical </u> instrument.

Hope it helps!

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Complete this equation for the dissociation of na2co3(aq). omit water from the equation because it is understood to be present.
Savatey [412]
Net overall dissociation:
Na2CO3 ---> 2Na(-) + CO3(2-)

*The ion charge is in parenthesis
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When hydrogen is burned in the presence of oxygen it will form water, as per the equation: 2H2 + O2 -&gt; 2H2O. Which types of r
nadya68 [22]

Answer:

B

Explanation:

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4 0
3 years ago
what temperature change will be observed if a sample of 100 g of ethylene glycol antifreeze solution (specific heat capacity = 3
ivolga24 [154]

Answer:

1°C temperature change will be observed if a sample of 100 g of ethylene glycol antifreeze solution.

Explanation:

Mass of ethylene glycol = m = 100 g

Specific heat capacity of ethylene glycol = c = 3.5 J/g°C

Change in temperature of ethylene glycol = ΔT

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Q=mc\Delta T

\Delta T=\frac{Q}{mc}=\frac{350 J}{100 g\times 3.5 J/g^oC}

ΔT = 1°C

1°C temperature change will be observed if a sample of 100 g of ethylene glycol antifreeze solution.

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