Taya observed a plant that is small and grows close to the ground because it does not have the water transport
structures required to grow taller.
Which plant phylum did this plant most likely belong to?
O conifers
Oferns
O mosses
O flowering plants

Answers

Answer 1

Answer:

O mosses

Explanation:


Related Questions

explain how the albedo of a surface area would affect the climate in both seasons

Answers

Answer:

Albedo affects the climate by controlling the amount of radiation a particular planet absorbs, weather can also depend on how much the earth absorbs radiation in case of the earth.

.

Calculate the volume occupied by 2.00 moles of H₂ at 300.0 K and 1.25 atm

Answers

Answer:

V = 39.38 L

Explanation:

Given that,

No. of moles of H₂, n = 2

Temperature, T = 300 K

Pressure, P = 1.25 atm

We need to find the volume occupied by the gas. We can use the ideal gas law to find it such that,

[tex]PV=nRT[/tex]

Where

R is gas constant, R = 0.08205 L-atm/mol-K

V is volume of the gas

Rearranging the above formula for V. So,

[tex]V=\dfrac{nRT}{P}\\\\V=\dfrac{2\times 0.08205\times 300}{1.25}\\\\V=39.38\ L[/tex]

So, the volume occupied by the gas is 39.38 L.

2CO + O2 --> 2CO2

How many liters of carbon dioxide are produced from 10L of carbon monoxide?

Answers

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.

According to this question, carbon monoxide reacts with oxygen gas to form carbon dioxide according to the following reaction:

2CO + O2 → 2CO2

2 moles of carbon monoxide produces 2 moles of carbon dioxide

Therefore, 10 litres of carbon monoxide (CO) will produce 10 × 2 = 20/2 = 10L of carbon dioxide (CO2).

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CAN SOMEBODY PLS HELP...

Answers

Answer:

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

you could do something based on body heat or algae, or solar panels would be a good idea. maybe how much energy is used through solar panels

A reaction was suppose to produce 20 L of gas. Only 12 litters of gas were produced in the lab. What is the percent yield for this reaction?

Answers

Answer:

[tex]\boxed {\boxed {\sf 60 \%}}[/tex]

Explanation:

Percent yield is a ratio of the actual yield to the theoretical yield. It is found using this formula:

[tex]\% \ yield= \frac {actual \ yield}{theoretical \ yield} *100[/tex]

The actual yield is 12 liters, because that was actually produced in the lab.

The theoretical yield is 20 liters, because that was the expected yield.

[tex]\% \ yield= \frac {12 \ L}{20\ L} *100[/tex]

[tex]\% \ yield= 0.6*100[/tex]

[tex]\% \ yield= 60[/tex]

For this reaction, the percent yield is 60%.

If the gas in the above system has a volume of 256 mL at a pressure
of 2.88 atm, what is the volume of the same gas at a pressure of 1.00
atm?

Answers

Answer:

the volume of the same gas at pressure of 1.00atm =737.3ml

In a 0.100M solution of a weak polyprotic acid what is the equilibrium concentration of A-2?

H2A+H20-H30+A-2

Ka1=7.5x10^-5
Ka2=6.2x10^-8

answer= ?x10^?

Answers

Necesito la versión en español plz 32

why would it have been a bad idea to plant 100 seeds in your plant experiment?

Answers

Yes because the plants is one plant and they have oxygen

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.

What is an ecosystem?

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.

Learn more about ecosystem,here:

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How many moles of hydrogen are produced from the reaction of 50.0 g of Mg and the equivalent of 75 g of HCl?

Answers

Answer:

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

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

Explanation:

How are ferns, gymnosperms, and angiosperms alike?

Answers

Answer: They all are vascular plants.

Explanation:

Gymnosperms are the plants which have naked seeds and ovules. They do not produce flowers. The angiosperms are the flowering plants. The ovules are enclosed inside the female flower. They produce seeds. The ferns are the seedless plants, they reproduce via spores. Gymnosperms, angiosperms and ferns share common characteristics like they have vascular system that is tissues like xylem and phloem help in conduction of water and minerals from the soil. The plant body is differentiated into root, stem and leaves. They all have photosynthetic pigments in them.

Calculate the percentage of water for each of the hydrates listed:
a. MgSO4 ● 7H2O




b. LiC2H3O2 ● 2H2O



c. Al(NO3)3 ● 9H2O

Answers

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:

[tex]\rm Mg[/tex]: [tex]24.305[/tex].[tex]\rm S[/tex]: [tex]32.06[/tex].[tex]\rm O[/tex]: [tex]15.999[/tex].[tex]\rm H[/tex]: [tex]1.008[/tex].[tex]\rm Li[/tex]: [tex]6.94[/tex].[tex]\rm C[/tex]: [tex]12.011[/tex].[tex]\rm Al[/tex]: [tex]26.982[/tex].[tex]\rm N[/tex]: [tex]14.007[/tex].

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:

Mass of [tex]1\;\rm mol[/tex] of [tex]\rm LiC_2H_3O_2 \cdot {2\, H_2O}[/tex] formula units: [tex]102.014\; \rm g[/tex].Mass of the [tex]2\; \rm mol[/tex] of [tex]\rm H_2O[/tex] in that [tex]1\;\rm mol[/tex] of [tex]\rm LiC_2H_3O_2 \cdot {2\, H_2O}[/tex] formula units: [tex]2 \; \rm mol \times 18.015\; \rm g \cdot mol^{-1} = 36.030\; \rm g[/tex].Percentage mass of [tex]\rm H_2O[/tex] in [tex]\rm LiC_2H_3O_2 \cdot {2\, H_2O}[/tex]: [tex]\begin{aligned}\frac{36.030\; \rm g}{102.014\; \rm g} \approx 35.3\%\end{aligned}[/tex].

Mass of [tex]1\;\rm mol[/tex] of [tex]\rm Al(NO_3)_3 \cdot {9\, H_2O}[/tex] formula units: [tex]375.129\; \rm g[/tex].Mass of the [tex]9\; \rm mol[/tex] of [tex]\rm H_2O[/tex] in that [tex]1\;\rm mol[/tex] of [tex]\rm Al(NO_3)_3 \cdot {9\, H_2O}[/tex] formula units: [tex]9 \; \rm mol \times 18.015\; \rm g \cdot mol^{-1} = 162.135\; \rm g[/tex].Percentage mass of [tex]\rm H_2O[/tex] in [tex]\rm Al(NO_3)_3 \cdot {9\, H_2O}[/tex]: [tex]\begin{aligned}\frac{162.135\; \rm g}{375.129\; \rm g} \approx 43.2\%\end{aligned}[/tex].

solve for v -20=-5/3v

Answers

Answer:

v = 15/2

Decimal Form:

v = 7.5

Mixed Number Form:

v = 7  1/2

Explanation:

Hope this helps!

Find the molar mass of PCI3

Answers

Answer: around 137.33

Explanation:

Which of these models shows the position of the sun moon and Earth that will have the LARGEST effect on the tides? _________

Answers

The answer will be 3. The strongest effect on tides will happen when the sun and the moon are pulling in the same direction which is only present at 3

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.

A. Reaction with what gas in the atmosphere makes natural rain water slightly acidic? (2 points)
B. Describe the chemical reactions that occur to change sulfur to sulfuric acid. (2 points)
C. How much more acidic is acid rain water with a pH of 2 than unpolluted rainwater with a pH of 6? Use your knowledge of pH (not the information provided in this article) and show your work. (2 points)

Answers

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

Is browning and producing new flavor compounds as something cooks a chemical or a physical change?

Answers

Answer:

I believe it is a chemical change

Explanation:

because it is changing into something new

Is it possible for an object to use or contain more than one energy form?​

Answers

Answer:

Yes

Explanation:

There are 2 energy forms which one can transfer to and or from. An objects energy can be converted from one form to another.

3.0 moles of BaO are mixed evenly into a 2.0 L. What is the molarity of this
solution?

Answers

Answer: 1.5 moles/L

Explanation:

Molarity = moles/ Liters

to find the molarity of BaO: 3moles/2L = 1.5 moles/L

What's the similarity between Gas and Liquid?

Answers

Answer:

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

Explanation:

Hope this helped Mark BRAINLEST!!

has 2 valence electrons. It has electron shells and is reactive than Boron. This element has the same number of electron shells as has 4 valence electrons. It has electron shells and is reactive than Aluminum. This element has the same number of electron shells as

Answers

Answer:

Beryllium.

Silicon.

Explanation:

Beryllium has 2 electrons in their outermost shell and has highly reactive than boron because Boron needs 3 electrons to lose whereas, beryllium needs to lose only 2 electrons to get stability. Silicon has 4 electrons in its outermost shell and is less reactive than aluminum because aluminum has to lose 3 electrons to get stability as compared to silicon which needs 4 electrons to lose to be stable and non-reactive.

2. A clear, colorless liquid is mixed with a clear, blue liquid resulting in a white powder suspended in a clear,
colorless liquid. Has a chemical reaction occurred? Why or why not?​

Answers

Answer:

Yes, a chemical reaction has occurred

Explanation:

A chemical change is known to lead to the appearance of a new substance. Another name for chemical change is chemical reaction.

The new substance is formed when the bonds in the reactants are being rearranged to yield the products of the reaction.

In this case, two clear liquids were mixed and the contents of the system interacted briefly to yield a new product which appears as the white powder suspended in a clear,  colorless liquid.

which of the following is not an essential element for healthy plant growth?
a. oxygen
b. nitrogen
c. potassium
d. phosphorus

Answers

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

Consider 2 pots of water. Each pot has the same diameter, but pot A is deeper than pot B and so there is more water in pot A. If both pots are exposed to the same amount of heat for 5 minutes, which pot will contain the hottest water after 5 minutes? Why?

Answers

Answer:

POT B

Explanation:

Because Pot B contains lesser amount of water, it is going to have the hottest water compared to pot A.

Since the amount of heat is constant, in pot B less water molecules would share the heat, compared to pot A where a larger amount of water would have to share the heat.

16. Which is an example of a transverse wave? (1 point)

Answers

Answer:

Transverse wave,

Explanation:

motion in which all points on a wave oscillate along paths at right angles to the direction of the wave's advance. Surface ripples on water, seismic S (secondary) waves, and electromagnetic (e.g., radio and light) waves are examples of transverse waves.

Answer:

A WAVE CARRIED THROUGH A ROPE

Explanation:

I chose a wave on water and got it WRONG

What happens to most of the energy when energy is transferred to ocean water from the moving air above it?


It causes the water to evaporate.


It pushes the water forward.


It moves through the water.


It reflects off the surface of the water.

Answers

Answer:

it moves through the water

Explanation:

Answer:

C/3. It moves through the water.

Explanation:

All credit goes to the person above!!!!!!

Thank you so much for being helpful!!!

A carrot was cut into many pieces, and moved into a freezer what change is it

Answers

Answer:

Physical change

Explanation:

Cutting and freezing are both examples of physical changes that do not alter the chemical composition or properties of the object/substance.

Answer:

physical change

Explanation:

carrot lost its original shape

what part of the brain helps us process sounds?

Answers

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

Calculate the percent yield if the theoretical yield is 50.0 g of a
product and the actual yield is 42.0 g.

Answers

Answer:

84% yield

42/50 = 0.84 = 84%

Which of the following is an example of a learned response?
A.
A bird avoids moths that make it sick after eating one.
B.
A person's leg moves when a doctor taps his or her leg with a mallet.
C.
A plant turns to follow the sun during the day.
D.
An adult salmon is able to return to the river where it hatched.

Answers

Answer: A

Explanation: learned response - a reaction that has been acquired by learning. (a bodily process occurring due to the effect of some antecedent stimulus or agent)

Which best explains the importance of indicator species?

Answers

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.

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