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3 years ago

If glucose. galactose, and fructose all have the same formula, what is the difference about them

1 answer:

6 0

Glucose is blood sugar and is the main source for metabolism. Galactose is half of "milk sugar" (aka lactose). Fructose is "fruit sugar." it is true that all of these are 6- carbon sugars, but its how they are rearranged. "Shape determines function."

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If you are doing stoichiometry and it asks you to go from grams of one substance to grams of a new substance, how many steps (ho

Thepotemich [5.8K]

Answer:

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3 years ago

A student must use 220 mL of hot water in a lab procedure. Calculate the amount of heat required to raise the temperature of 220

Inessa [10]

Answer:

64,433.6 Joules

Explanation:

We are given;

Volume of water as 220 mL
Initial temperature as 30°C
Final temperature as 100°C
Specific heat capacity of water as 4.184 J/g°C

We are required to calculate the amount of heat required to raise the temperature.

We know that amount of heat is calculated by;

Q = mcΔT , where m is the mass, c is the specific heat, ΔT is the change in temperature.

Density of water is 1 g/mL

Thus, mass of water is 220 g

ΔT = 100°C - 30°C

= 70°C

Therefore;

Amount of heat, Q = 220g × 4.184 J/g°C × 70°C

= 64,433.6 Joules

Thus, the amount of heat required to raise the temperature of water is 64,433.6 Joules

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3 years ago

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ladessa [460]

Substances that exist in solution almost completely as ions are called strong electrolytes. Therefore, the answer is C.

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3 years ago

What are the major profession area of Nepal?

OverLord2011 [107]

Answer:

The main occupation of Nepal is agriculture. The process of producing foods, vegetable, crops by cultivating land is known as agriculture. About 80% of people are involved in agriculture as their occupation. Agriculture is the base of the Nepalese people and also for Nepal.

Explanation:

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What did Rutherford's gold-foil experiment tell about the atom.

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