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liq [111]
3 years ago
7

Dead leaves and plants on the ground form what??

Chemistry
1 answer:
maria [59]3 years ago
8 0
They will most likely form dirt from decomposition
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When the volume changes from 63.5 mL to 69.2 mL, what is the final pressure if the initial pressure was 735 mmHg pressure?
Trava [24]
To solve this problem we use Boyle's law to correlate the varying volume and pressure at constant temperature. Assuming ideal gas law, we use the equation P1/V1= P2/V2. Substituting, 735 mm Hg/ P2= 63.5 ml/69.2 ml. P2 is equivalent thus to 800.97 mm Hg.
4 0
4 years ago
Nonmetallic elements form ions by ____________
mr Goodwill [35]

Answer:

you know it is what it is☠

Explanation:

Nonmetallic elements form ions by valence electrons to complete their outer shell. The valence electrons an element has in its outer shell, the easier it is to complete. The electron shells an element has, the easier it is to fill its outermost shell.

3 0
3 years ago
Scientists classify rocks into three different types. What is the main for basis for the classification system they chose?
dangina [55]
Rocks are classified as igneous, sedimentary or metamorphic. 
4 0
3 years ago
You are working in an alternative fuels laboratory and have been asked by your supervisor to determine the efficiency of photosy
aleksklad [387]

Explanation:

Moles of sucrose = \frac{\text{mass of sucrose}}{\text{molecular weight}}

                       = \frac{24 kg \times 1000 g/kg}{342.3 g/mol}

                        = \frac{70.114 mol}{hr-ha}} \times \frac{1 ha}{10000 m^{2}} \times \frac{1 hr}{3600 s}

                        = 1.948 \times 10^{-6} mol/(m^{2}s)

Energy required for photosynthesis = 5640 kJ/mol

Energy needed to produce 24 kg sucrose

         = Energy required for photosynthesis x Moles of sucrose

          = (5640 kJ/mol) \times [1.948 x 10^{-6} mol/(m^{2}s)]

          = 0.01098 kJ/(m^{2}s)

Energy supplied from sun = 1 \frac{kW}{m^{2}}

                                            = 1 kJ/(m^{2}s)

Efficiency for photosynthesis = \frac{\text{Energy needed to produce 24 kg sucrose}}{\text{Energy supplied from sun}}

                              = \frac{0.01098 kJ/(m^{2}s)}{1 kJ/(m^{2}s)}

                             = 0.01098 \times 100

                              = 1.098%

Thus, we can conclude that efficiency of photosynthesis for a plant that is being considered as a source of biofuels is 1.098 %.

6 0
3 years ago
Lance is standing in the batting cage and swings the bat. As he swings, the end of the bat gains speed and _____________.
romanna [79]
B chemical energy SJSU
7 0
4 years ago
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