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bixtya [17]
3 years ago
15

How do we typically release energy from biomass?Please help

Chemistry
1 answer:
viktelen [127]3 years ago
6 0

Answer:

the most common is 'direct combustion'. 

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Which property of an ancient rock allowed scientists to determine that Earth was at least 4.3 billion years old?(1 point)
vovangra [49]

Answer:

It Would be radioactive decay of the impurity, uranium, to become lead

Explanation:

3 0
3 years ago
What is the volume of 25 g iodine, density = 4.93 g/cm^3??​
aniked [119]
  • Mass=25g
  • Density=4.93g/cm^3

\\ \rm\rightarrowtail Volume=\dfrac{Mass}{Density}

\\ \rm\rightarrowtail Volume=\dfrac{25}{4.93}

\\ \rm\rightarrowtail Volume=5.1cm^3

8 0
2 years ago
A combustion reaction occurs between one molecule of methane (CHa) and two molecules of oxygen (O2).
SCORPION-xisa [38]

The total number of atoms make up the products :

D) 1 carbon, 4 hydrogen, and 4 oxygen

<h3>Further explanation </h3>

Complete combustion of Hydrocarbons with Oxygen will produce CO₂ and H₂O compounds.

If O₂ is insufficient there will be incomplete combustion produced by CO and H and O

Hydrocarbon combustion reactions (especially alkanes)

For combustion of methane (CH₄) and two molecules of oxygen (O₂).

\tt CH_4+2O_2\rightarrow CO_2+2H_2O

The number of atoms make up the products

CO₂ : 1 carbon, 2 oxygen

2H₂O : 4 hydrogen , 2 oxygen

4 0
3 years ago
What was the name for the spectrum of specific wavelengths produced by an existing element?
Annette [7]
The emission spectrum of a chemical element
5 0
3 years ago
Read 2 more answers
Calculate the volume of an object (in mL) if the density of the object is 4.08 g/mL and the mass of the object is 10.02 g.
slega [8]

Answer:

<h2>The answer is 2.5 mL</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density}  \\

From the question

mass of object = 10.02 g

density = 4.08 g/mL

The volume of the object is

volume =  \frac{10.02}{4.08}  \\  = 2.4558823...

We have the final answer as

<h3>2.5 mL to one decimal place</h3>

Hope this helps you

6 0
4 years ago
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