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Svetradugi [14.3K]
3 years ago
7

Explain why photosynthesis and cellular respiration are the “real circle of life”

Chemistry
1 answer:
BabaBlast [244]3 years ago
4 0

Explanation:Photosynthesis is important because the earth and all of the creatures in the sea and land need the plants to be able to feed themselves with the help of the sun and with cellular respiration, those plants are able to take in the carbon dioxide that we give and make into oxygen with we need. there fore without them we would not be able to exist.

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How many litres of 15% (mass/ volume) copper sulphate solution
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A 19-g piece of metal absorbs 186.75 joules of heat energy, and its temperature changes from 35°C to 175°C. Calculate the specif
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Answer:

0.0702J/g°C the specific heat capacity of the metal.

Explanation:m

Q=m\times c\times \Delta T=m\times c\times (T_{2}-T_{1})

where,

Q = heat absorbed by metal = 186.75 J

m_1 = Mass of metal= 19 g

T_1 = Initial  temperature of metal = 35^oC

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c=0.0702J/g^oC

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3 years ago
When an electric field is applied to a metallic crystal, the movement of electrons is _____
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3 years ago
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Someone help me with this! ASAP
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A laboratory technician needs to prepare 500 milliliters of a 2 M solution of sodium hydroxide (NaOH) in a flask. The flask has
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Answer:

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Step-by-step explanation:x

To make 500 mL of a 2 mol·L⁻¹ solution, the technician must measure the correct mass of NaOH.

Step 1. Calculate the <em>moles of NaOH </em>

c = n/V     Multiply both sides by V

n = Vc

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Step 2. Calculate the <em>mass of NaOH </em>

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