3 years ago

Why could a diet low in carbohydrates be dangerous?

Chemistry

1 answer:

mario62 [17]3 years ago

3 0

A_The body could break down proteins from muscles for energy.

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Which best compares DNA and RNA with regard to the process of protein production? DNA transforms from a nucleic acid into a prot

Fofino [41]

Answer:

its d

Explanation:i got it right on egde

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3 years ago

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A quantity of 0.0250 mol of a gas initially at 0.050 L and 19.0°C undergoes a constant-temperature expansion against a constant

KiRa [710]

Answer:

$V_2=2.995L\\\\W=248.5J$

Explanation:

Hello,

In this case, for us to compute the final volume we apply the Boyle's law that analyzes the pressure-volume temperature as an inversely proportional relationship:

$P_1V_1=P_2V_2$

So we solve for $V_2$ by firstly computing the initial pressure:

$P_1=\frac{nRT}{V_1}=\frac{0.025mol*0.082\frac{atm*L}{mol*K}*(19+273.15)K}{0.050L} =11.98atm$

$V_2=\frac{P_1V_1}{P_2}=\frac{11.98atm*0.050L}{0.200atm}\\ \\V_2=2.995L$

Finally, we can compute the work by using the following formula:

$W=nRTln(\frac{V_2}{V_1} )=0.025mol*8.314\frac{J}{mol*K}*(19.0+273.15)K*ln(\frac{2.995L}{0.050L}) \\\\W=248.5J$

Best regards.

4 0

3 years ago

(reply with the answer or get reported) Please help and thanks

alexgriva [62]

1. C) 10
2. C) 2.33 mole

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3 years ago

4. What are the products (things made) in photosynthesis?

SVETLANKA909090 [29]

Oxygen and glucose that’s all I know

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2 years ago

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What mass of N2 will be needed to produce 31.5 grams of N2O5?

SCORPION-xisa [38]

Answer: d) 16.34 grams

Explanation:

To calculate the moles :

$\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}$

$\text{Moles of} N_2O_5=\frac{31.5g}{108.01g/mol}=0.292moles$

$4N_2+5O_2\rightarrow 2N_2O_5$

According to stoichiometry :

As 2 moles of $N_2O_5$ are produced by= 4 moles of $N_2$

Thus 0.292 moles of $N_2O_5$ are produced by= = $\frac{4}{2}\times 0.292=0.584moles$ of $N_2$

Mass of $N_2=moles\times {\text {Molar mass}}=0.584moles\times 28g/mol=16.34g$

Thus 16.34 g of $N_2$ will be needed

6 0

3 years ago