Explain the various modes of dispersal of seeds and fruits.​

Answer:

10 L of CO₂.

Explanation:

The balanced equation for the reaction is given below:

2CO + O₂ —> 2CO₂

From the balanced equation above,

2 L of CO reacted to produce 2 L of CO₂.

Finally, we shall determine the volume of CO₂ produced by the reaction of 10 L CO. This can be obtained as follow:

From the balanced equation above,

2 L of CO reacted to produce 2 L of CO₂.

Therefore, 10 L of CO will also react to produce 10 L of CO₂.

Thus, 10 L of CO₂ were obtained from the reaction.

10L of carbon dioxide will be produced from 10L of carbon monoxide.

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Answer:

See explanation

Explanation:

On the pH scale acidity ranges from pH values of 0-6.9. Natural rain water is slightly acidic due to the presence of carbon dioxide in the atmosphere which is an anhydride of carbonic acid.

CO2(g) + H2O(l) -------> H2CO3(aq)

B. The equations that turn sulfur to sulfuric acid are;

S(l) + O2(g) -----> SO2(g)

2SO2(l) + O2(g) -----> 2SO3(g)

SO3(g) + H2SO4(l) -----> H2S2O7(l)

H2S2O7(l) + H2O(l) ----> 2H2SO4(l)

-

At pH 6, H^+ concentration = 1 * 10^-6 M

At pH 2, H^+ concentration = 1 * 10^-2 M

Hence;

1 * 10^-2/1 * 10^-6

= 10^4 times more acidic

Answer:

The slope of the line is [tex]-\frac{10}{7}[/tex].

Explanation:

The slope of the line ([tex]m[/tex]) is the change in dependent variable ([tex]y[/tex]) divided by the change in independent variable ([tex]x[/tex]):

[tex]m = \frac{y_{f}-y_{o}}{x_{f}-x_{o}}[/tex] (1)

If we know that [tex](x_{o}, y_{o}) = (0, 2)[/tex] and [tex](x_{f}, y_{f}) = (1.4, 0)[/tex], then the slope of the line is:

[tex]m = \frac{0-2}{1.4-0}[/tex]

[tex]m = -\frac{10}{7}[/tex]

The slope of the line is [tex]-\frac{10}{7}[/tex].

Answer:

-3/2

Explanation:

L its correct

Answer:

Explanation:

Answer:

A WAVE CARRIED THROUGH A ROPE

Explanation:

I chose a wave on water and got it WRONG

Answer:

Grignard reagents are formed by the reaction of magnesium metal with alkyl or alkenyl halides. They're extremely good nucleophiles, reacting with electrophiles such as carbonyl compounds

Explanation:

hope this helps!

In an ecosystem it is a bad idea to plant 100 seeds in your plant experiment as there would be competition for resources among the seeds.

Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.

Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.

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Answer:

Maybe you could do something with nuclear power plants and how we use those to create electrical energy for our phones, houses etc?

Answer:

104600 Joules

Explanation:

The quantity of Heat Energy (Q) required to heat a substance depends on its Mass (M), specific heat capacity (C) and change in temperature (Φ)

Thus, Q = MCΦ

Since, M = 500.0 g

C = 4.184 J/g°C

Φ = 100°C - 50°C = 50°C

Q = 500g x 4.184J/g°C x 50°C

Q= 104600 Joules

Thus, it takes 104600 Joules of heat energy to heat the water

Answer: 104,600

Explanation: subtract final temp from initial temp = 50 then multiply by grams = 25,000 then multiply by J = 104,600

Answer:

Temporal lobes

Explanation: They are right above the ears...And they help us process sounds...They are also important for learning and memory, as well as the understanding of language

Answer:

A: An endothermic reaction has reactants that are lower in energy than products because energy is absorbed to form the products.

Explanation:

I just did this and got it right

Answer:

2H2(g)+O2(g)→2H2O(l)

Explanation:

Answer:

Ans1) Common Shapes of Bacteria

Coccus: spherical or round

Bacillus: rod shaped

Spiral: curve, spiral, or twisted

Ans2) Bacteria are classified into five groups according to their basic shapes:

spherical (cocci),

rod (bacilli),

spiral (spirilla),

comma (vibrios) or corkscrew

(spirochaetes)

Answer:

Mass ratio:

a. Approximately [tex]51.2\%[/tex].

b. Approximately [tex]35.3\%[/tex].

c. Approximately [tex]43.2\%[/tex].

Explanation:

Look up the relative atomic mass of each element on a modern periodic table:

For example, the relative atomic mass of [tex]\rm Al[/tex] is [tex]26.982[/tex]. Hence, the mass of one mole of [tex]\rm Al\![/tex] atoms would be (approximately) [tex]26.982\; \rm g[/tex].

Calculate the formula mass of [tex]\rm H_2O[/tex]:

[tex]\begin{aligned} & M({\rm H_2O}) \\ &= 2 \times 1.008 + 15.999 \\ &= 18.015\; \rm g \cdot mol^{-1}\end{aligned}[/tex].

Calculate the formula mass for each of the hydrates:

[tex]\begin{aligned}& M({\rm MgSO_4 \cdot {7\, H_2O}}) \\ &= 24.305 + 32.06 + 4 \times 15.999 \\ & \quad\quad + 7 \times (2 \times 1.008 + 15.999) \\ &= 246.466\; \rm g \cdot mol^{-1}\end{aligned}[/tex].

[tex]\begin{aligned}& M({\rm LiC_2H_3O_2 \cdot {2\, H_2O}}) \\ &= 6.94 + 2 \times 12.011 + 3 \times 1.008 + 2 \times 15.999 \\ & \quad\quad + 2 \times (2 \times 1.008 + 15.999) \\ &= 102.014\; \rm g \cdot mol^{-1}\end{aligned}[/tex].

[tex]\begin{aligned}& M({\rm Al(NO_3)_3 \cdot {9\, H_2O}}) \\ &= 26.982 + 3 \times (14.007 + 3 \time 15.999) \\ &\quad \quad + 9 \times (2 \times 1.008 + 15.999) \\ &= 375.129\; \rm g \cdot mol^{-1}\end{aligned}[/tex].

The mass of [tex]1\; \rm mol[/tex] of [tex]{\rm MgSO_4 \cdot {7\, H_2O}}[/tex] formula units is [tex]246.466\; \rm g[/tex].

There are seven mole of [tex]\rm H_2O[/tex] formula units in that many [tex]{\rm MgSO_4 \cdot {7\, H_2O}}[/tex] formula units. The mass of that [tex]7\; \rm mol[/tex] of [tex]\rm H_2O\![/tex] formula units would be [tex]7 \; \rm mol \times 18.015\; \rm g \cdot mol^{-1} = 127.105\; \rm g[/tex].

Hence, the percentage mass of [tex]\rm H_2O[/tex] in [tex]{\rm MgSO_4 \cdot {7\, H_2O}}[/tex] would be:

[tex]\begin{aligned}\frac{127.015\; \rm g}{246.466\; \rm g} \approx 51.2\%\end{aligned}[/tex].

Similarly:

Answer:

I believe it is a chemical change

Explanation:

because it is changing into something new

Answer: Your answer is J

Explanation: This can occur when moon is closest to earth.

So the moon in between earth and sun.

Also factually the moon can effect human behavior, because humans are made up of some percent of water.

Answer:

No, it is not a mineral

Explanation:

Emerald is an important gemstone. It is famous for its green colour. Emerald is one of the most valuable gemstones. It is very much useful in the production of jewelry.

Emerald can be created in the laboratory. Such laboratory created emerald are still regarded as real emerald but they are not minerals. Only naturally occurring emeralds are minerals.

Answer: around 137.33

Explanation:

Answer:

carbon monoxide, CO, can be thought of as having two ordinary covalent bonds between the carbon and the oxygen plus a coordinate bond using a lone pair on the oxygen atom

Explanation:

A coordinate bond is a covalent bond in which both electrons come from the same atom.

Answer:

A oxygen

Explanation:

For plant growth nitrogen, potassium and phosphorous are the three main elements needed. oxygen is expelled from plants. Plants doesn't need oxygen

Answer:

Liquids and gases flow easily because their particles can move or slide past one another.

Explanation:

Hope this helped Mark BRAINLEST!!

Answer:

There is no attachment

however, u could remove the object

Answer:

The pressure of an object, is made off of atoms, and the hotter they are, the quicker they'll go. Meaning they're under pressure, and the atoms begin to start to melt, and as it'll go the object will start catching on fire. The way how an object and atom are out of pressure is to be cooled, the cooling of an atom freezes the atom, which'll mean they wont move or do anything matter of fact. Thus, the cooling of atoms is how you take an object/atom out of pressure.

Hope this helps. :)

Answer:

The atmosphere traps heat energy from the Sun and energy radiated from Earth's surface helping to maintain Earth's climate

Explanation:

Earth's atmosphere keeps much of the Sun's energy from escaping into space. This process, called the greenhouse effect, keeps the planet warm enough for life to exist. The atmosphere allows about half of the Sun's heat energy (50%) to reach Earth's surface.

Answer:

v = 15/2

Decimal Form:

v = 7.5

Mixed Number Form:

v = 7  1/2

Explanation:

Hope this helps!

Answer:

Explanation:

ndicator species (IS) are animals, plants, or microorganism used to monitor changes in our environment. For example, they can tell us about the impact of pollution on an ecosystem, or how well an impaired environment is being managed or restored.

Answer:

1.03 mol of dihydrogen gas will evolve, with a volume slightly over

22.4 [tex]dm^{3}[/tex] at STP.

Explanation:

Answer:

A calorimeter is an object used for calorimetry, or the process of measuring the heat of chemical reactions or physical changes as well as heat capacity. Differential scanning calorimeters, isothermal micro calorimeters, titration calorimeters and accelerated rate calorimeters are among the most common types.

Explanation:

Explanation:

An apparatus for measuring the heat generated or absorbed by either a chemical reaction, change of phase or some other physical change is a calorimeter.

Hope it will help :)❤