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Vaselesa [24]
3 years ago
12

D. Energy is lost as body heat by each organism

Chemistry
1 answer:
dimaraw [331]3 years ago
5 0
A and D I’m not sure tho
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A piece of metal with a mass of 611 g is placed into a graduated cylinder that contains 25.1 ml of water, raising the water leve
jeka94

Mass of metal piece is 611 g and volume of graduated cylinder is 25.1 mL. When metal piece is placed in the graduated cylinder water level increases to 56.7 mL. The increase in volume is due to volume of metal piece that gets added to the volume of water.

Thus, volume of metal piece can be calculated by subtracting initial volume from the final one.

V_{metal}=V_{final}-V_{initial}=(56.7-25.1)mL=31.6 mL

Thus, volume of metal piece will be 31.6 mL. The mass of metal piece is given 611 g, density of metal can be calculated as follows:

d=\frac{m}{V}=\frac{611 g}{31.6 mL}=19.33 g/mL

Therefore, density of metal is 19.33 g/mL.

3 0
3 years ago
What is the freezing point of glucose?
Triss [41]

Answer:

In Fahrenheit it is 294.8°F and in Celsius it is 146°C.

7 0
3 years ago
What is the molality (m) of a solution that contains 76.5 g of KCl dissolved in 85.0 g of<br> water?
ladessa [460]

Answer:

76.5g KCl/74.55 grams per mole Kcl = x

molality= x/.085 kg H2O

Explanation:

well remember molality is moles of solute/kilograms of solvent. So it's the moles of KCl over 85 g of h20 converted into kg. if this makes sense.

5 0
3 years ago
Which of these equations is balanced?
kicyunya [14]
I would think that b would be the right answer
7 0
3 years ago
when the orbitals or energy levels of an atom are full, it is considered to be stable. which atom in the ground state has a stab
Sonbull [250]

Answer:

Noble gases, atoms which have complete filled outer orbits.

Explanation:

SInce, you have given no options elements like Neon, Helium,etc

7 0
2 years ago
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