Where is the energy in the products of photosynthesis?

2 answers:

8 0

The correct answer is D. The bonds of a glucose molecule store chemical energy. Animals need energy from plants, which have glucose in them that stores energy so when a herbivore eats the plant they get the energy from the plant.

Hope it helps and have a wonderful day/night!

serious [3.7K]3 years ago

3 0

The bonds of a glucose molecule store chemical energy

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Describe the three types of system: a.open: b.closed: c. Isolated:

Mnenie [13.5K]

An open system is when there is a transfer of energy and matter with its surroundings.

A closed system is where there is a transfer of energy, may it be heat or work, but not matter with its surroundings.

An isolated system is where there is no transfer of energy or matter with its surroundings.

4 0

3 years ago

ioda

Answer:

Explanation:

5 0

3 years ago

If hydrogen were used as a fuel, it could be burned according to the following reaction: H2(g)+1/2O2(g)→H2O(g). Use average bond

serious [3.7K]

The deltaHrxn = -243 kJ/mol the deltaHrxn of CH4(methane) = -802 kJ/mol

The fuel that yields more energy per mole is METHANE. The negative sign merely signifies the release of energy. Thus, 802 kJ/mol is greater than 243 kJ/mol.

The fuel that yields more energy per gram is HYDROGEN. Here is the computation:
deltaHrxn = (-243 kJ/mol)(1 mol/2.016 g H2) = -120.535714286 kJ/g or -121 kJ/g

deltaHrxn of CH4(methane) = (-802 kJ/mol)(1 mol/16.04 g)
= -50 kJ/g

As discussed the negative sign serves as the symbol of released energy. Thus, 121 is greater than 50.

7 0

3 years ago

The burning of 48.7 g of zns in the presence of oxygen gives 220.0 kj of heat. what is h for the reaction as written below?

mr_godi [17]

Answer : The $\Delta H_{rxn}$ for the reaction is, 54.89 KJ