which light would you predict to produce the greenest plant

Answers

Answer 1

Explanation:

The light of the sun is important for green plant to grow


Related Questions

Allie rode her bike for 396 minutes. How many hours did she ride?

Answers

An hour is 60 minutes. So it is 6 hours and the remaining 36 minutes! Hope this helps

Express in scientific notation.
1.24 x 10^6/
6.2 x 10^-3

Answers

Answer:

1.24*10^6=1.24*1000000=1240000

6.2*10^-3=6.2*0.001=0.0062

Explanation:

Hope it is helpful for you

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In the 18th century, Italian biologist Lazzaro Spallanzani designed an experiment supporting the hypothesis that gastric juices are partly responsible for digesting food. Which human illness did Spallanzani's work eventually shed light on? intestinal ulcers mouth ulcers stomach ulcers skin ulcers

Answers

Stomach ulcers, I've read it online and I take the test

In the 18th century, Italian biologist Lazzaro Spallanzani designed an experiment supporting the hypothesis that gastric juices are partly responsible for digesting food. The human illness which Spallanzani's work eventually shed light on Stomach ulcers.

What is pH ?

pH is used to measure whether the substance is acidic, basic or neutral and the range is 0 - 14.

What is Gastric acid ?

Gastric acid is also called gastric juice or stomach acid it is made up of water, enzymes, hydrochloric acid, electrolytes. The pH of gastric acid is between 1 and 3 that means it is acidic is nature.

Thus from the above conclusion we can say that In the 18th century, Italian biologist Lazzaro Spallanzani designed an experiment supporting the hypothesis that gastric juices are partly responsible for digesting food. The human illness which Spallanzani's work eventually shed light on Stomach ulcers.

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A car travels at a speed of 80.0 miles/hour. What
is the speed of the car in meters/second (m/s)?

Answers

Answer: 1.3

Explanation: 80 divided by 60 is 1.33333333333

If a reaction occurs and there were 10 g of Ca
reacting with 20 grams of water, and 5 grams of H2
was produced, how much Ca(OH)2 was produced?
Show your work.
Ca + H2O - Ca(OH)2 + H2

Answers

Answer:

18.52g

Explanation:

(relative atomic masses: H = 1.01, O = 16.00, Ca = 40.08)

Equation (balanced):

Ca + 2H2O -> Ca(OH)2 +H2

First, calculate the number of moles of 10g calcium

No. of moles of Ca  = 10/40.08 = 0.25 mol

Then, calculate the  number of moles of 20g water

No of moles of H2O = 1.11 mol

According to the balanced equation, 1 mole of calcium reacts with 2 moles of H2O completely.  Therefore, H2O is in excess.

So, 1 mole of calcium reacts with water to form 1 mole of Ca(OH)2 (according to the mole ratio shown in the balanced equation)

Therefore, 0.25 mol of Ca(OH)2 is produced.

Mass of Ca(OH)2 produced = no. of moles x molar mass = 0.25 x (40.08 + 16 + 16 + 1.01 + 1.01) = 18.52g

Good luck!

How you could use the scientific method to learn whether water really does take longer to boil if you are watching it.

Answers

Answer:

What you need is a thermometer and a clock.

Explanation:

Bombardier beetles inject boiling hydrogen peroxide, or H2O2, into the victims. It then decomposes into hydrogen and oxygen gas. How many grams of oxygen can be produced if 0.128 grams of hydrogen peroxide are decomposed?

Answers

Answer:

0.12 g of O2.

Explanation:

We'll begin by writing the balanced equation for the reaction. This is given below:

H2O2 —> H2 + O2

Next, we shall determine the mass of H2O2 that decomposed and the mass of O2 produced from the balanced equation. This is illustrated below:

Molar mass of H2O2 = (2×1) + (16×2)

= 2 + 32

= 34 g/mol

Mass of H2O2 from the balanced equation = 1 × 34 = 34 g.

Molar mass of O2 = 16×2 = 32 g/mol

Mass of O2 from the balanced equation = 1 × 32 = 32 g

Summary:

From the balanced equation above,

34 g of H2O2 decomposed to produce 32 g of O2.

Finally, we shall determine the mass of O2 produced from the decomposition of 0.128 g of H2O2. This can be obtained as follow:

From the balanced equation above,

34 g of H2O2 decomposed to produce 32 g of O2.

Therefore, 0.128 g of H2O2 will decompose to produce = (0.128×32)/34 = 0.12 g of O2.

Therefore, 0.12 g of O2 was produced.

Which of the following releases matter? A.engaging a car exhaust system B.picking up iron filings with a magnet C.turbines spinning in a power plant D.turning on an electric hot plate

Answers

A- engaging a car exhaust system

Engaging a car exhaust system releases matter.

WHAT IS MATTER?

Matter is any substance that posseses weight and occupies an amount of space. Going by this definition, almost everything in our environment can be referred to as matter.

Matter, in chemistry terms, can include elements, compounds, molecules, solids, gases etc. However, radiations, light emissions, heat cannot be regarded as matter.

WHAT ACTIVITIES RELEASE MATTER?

According to this question, engaging a car exhaust system releases matter into the atmosphere in form of carbon monoxide (CO).

N.B: Other activities like picking up iron filings with a magnet (magnetic field), turbines spinning in a power plant, and turning on an electric hot plate (heat) do not release matter.

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A block of aluminium occupies a volume of 11.1 mL and weighs 43 g. What is it's density? Give answer with one decimal.

Answers

Answer:

Density = 3.9 g/ mL

Explanation:

The density of a substance can be found by using the formula

[tex]Density = \frac{mass}{volume} [/tex]

From the question

mass = 43 g

volume = 11.1 mL

Substitute the values into the above formula and solve for the density

That's

[tex]Density = \frac{43}{11.1} \\ = 3.873873...[/tex]

We have the final answer as

Density = 3.9 g/ mL to one decimal place

Hope this helps you

Which chemistry studies non carbon based structures?
O Biochemistry
Analytical Chemistry
O Inorganic Chemistry
Organic Chemistry

Answers

Answer:

Inorganic chemistry

Explanation:

Meaning: Inorganic chemistry studies substances that do not contain carbon; therefore, it studies non carbon based structure.

Answer:

Inorganic chemistry

Explanation:

Inorganic chemistry studies the chemical compounds in non-living things, things that do not contain carbon

Organic chemistry covers things that do contain carbon.

What is the mass of a 500.00 mL sample of seawater with a density of 1.025 g/mL?

Answers

Answer:

Mass of seawater = 512.5 gram

Explanation:

Given:

Volume of seawater = 500 ml

Density of seawater = 1.025 g/ml

Find:

Mass of seawater

Computation:

Mass of seawater = Volume of seawater × Density of seawater

Mass of seawater = 500 × 1.025

Mass of seawater = 512.5 gram

uestion 3 (1 point)
1. Calculate the density of a liquid that has mass of 14.0g and volume of 18.0 cm? Will this liquid float on
top of water or will it sink? (Density of water is 1.0 g/mL)
I

Answers

formula for density of liquid = mass ÷ vol

= 14.0 g ÷ 18.0 cm³

= 0.77778 g/cm³ ( 5sf)

= 0.778 g/cm³ ( 3sf )

18.0 cm³ is the same as 18.0 ml

Therefore, the liquid will float on water as the water is denser than the liquid.

18.0 cm³ is equivalent to 18.0 ml, in light of the fact that water is denser than liquid, the liquid will float on it.

What is the density of a liquid?

Density is defined as d = M/V, where M stands for mass and V for volume. The unit of density that is most frequently used is grams per cubic centimeter.

The formula for liquid density is mass divided by volume.

= 14.0 g ÷ 18.0 cm³

= 0.77778 g/cm³

= 0.778 g/cm³

The same procedure used to determine a solid's density is used to determine a liquid's density. Calculate the fluid's mass, then its volume, then divide mass by volume.

To determine the fluid's mass, weigh the fluid in the container, pour it out, weigh the empty container, and then subtract the empty container's mass from the mass of the filled container.

Therefore, in light of the fact that water is denser than liquid, the liquid will float on it.

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Explain The process of a pot of boiling water left for to long drying up.

Answers

Answer:Evaporation

Explanation:

BRAIBLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST

please answer quickly thank you

Answers

Answer:

13

Explanation:

Answer:

it is 13

Explanation:

1. A rectangular block of aluminum metal has a mass of 2540 g. The block of
aluminum has dimensions equal to 9.4 cm, 8.7 cm and 11.5 cm. From the data
provided, what is the density of aluminum?

Answers

Answer:

Hey there!

Density=Mass/Volume

Volume: 9.4x8.7x11.5

Volume: 940.47 cm^3

Density of aluminum

2540/940.47, or 2.7 grams/cm^3

Let me know if this helps :)

2. A 90 g bag of trail mix is contains 22% nuts, 35% granola, 18% dried fruit. The rest is chocolate chips.
Calculate how many grams of each component there is.
nute

Answers

There are:

19.8g of nuts (90x0.22=19.8)
31.5g of granola (90x0.35=31.5)
16.2g of dried fruit (90x0.18=16.2)
22.5g of chocolate chips (90x0.25=22.5)

is a freezing point a phusical or chemical property

Answers

Answer:

Both extensive and intensive properties are physical properties, which means they can be measured without changing the substance's chemical identity. For example, the freezing point of a substance is a physical property: when water freezes, it's still water (H2O)—it's just in a different physical state.

Explanation:

The scientific method is "flexible". What does that mean? Why is that
important and necessary?

Answers

Answer:

we can reach the same conclusions by applying different experimental and observational procedures

Explanation:

The scientific method is a process that can be summarized in the following steps: 1-to raise a question, 2-to make a hypothesis, 3-to obtain data from observations and/or experiments, and finally, 4-to obtain conclusions that enable to confirm (or reject) the hypothesis. The scientific method is flexible because it is not necessary to follow 'stringent' guidelines in order to reach the same conclusions. In consequence, the predictions derived from such results can be tested again to determine the veracity of the results.

How many calories are required to convert 2 grams of ice at 0 degrees C to water vapor at 100 degrees C?

Answers

Answer:

360.8987 GRAM CALORIE OR 0.3608987 KILOCALORIE IS THE CALORIE REQUIRED TO CONVERT 2 GRAMS OF ICE AT 0 DEGREES C TO WATER VAPOUR AT 100 DEGREES C.

Explanation:

To convert 2 g of ice at 0 C to water vapor at 100 C:

First, the ice will be converted to water at 0 C

Then, water at 0 C to water vapor at 100 C

We must know that the latent heat of fusion for ice is 3.35*10^5 J/kg

the standard heat of enthalpy of water = 4200 J/kg

So therefore

Total heat to convert ice at 0 c to water vapor at 100 c is:

= M Lf + mc Q

= 2/ 1000 * 3.35 * 10^5 + 2/1000 * 4200 * (100 -0)

= 0.002 * 3.35 ^ 10^5 + 0.002 * 4200 * 100

= 0.0067 * 10 ^5 + 840

= 670 + 840

= 1510 J

The heat required to convert 2 g of ice at 0 c to water vapor at 100 C is 1510 J and to get the calorie value we divide the answer in joules by 4.184.

1510 joules = 360.8987 gram calories or 0.3608987 kilocalorie.

Amount calories are required to convert into vapor is 1,440 calories

Latent heat of water:

Given that;

Amount of ice = 2 grams

Latent heat of water = 540 calorie

Find:

Amount calories are required to convert into vapor

Computation;

Heat required to melt at 0°C to water at 0°C = 2 × 80

Heat required to melt at 0°C to water at 0°C = 160 calorie

Water from 0°C to 100°C = 2 × 100

Water from 0°C to 100°C = 200 calorie

Water from 100°C to 100°C vapor = 2 × 540

Water from 100°C to 100°C vapor = 1,080 calorie

Amount calories are required to convert into vapor = 160 + 200 + 1080

Amount calories are required to convert into vapor = 1,440 calories

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True or False ... In a chemical change, a new
substance is formed.

Answers

The answer is true the answer has to be 20 words long so true true true true true true

What must happen for a natural resource to become a synthetic material?(1 point) It needs to go through a chemical reaction. It needs to be pounded very thin. It needs to be dried out. It needs to go through a phase change.

Answers

Answer:

It needs to go through a chemical reaction

Explanation:

Natural resources undergoes chemical reaction to become synthetic materials.

Natural material undergoes several chemical changes to chnage the characterstics of the resources into synthetic material.

Some examples of synthetic materials are medicines, plastics, and new fuels which are extracted from trees or plants, natural fibers, and petroleum.

Hence, the correct option is "It needs to go through a chemical reaction".

Answer:

It needs to go through a chemical reaction.

If an ice cube has a mass of 25 grams and it melts, what would the mass of the liquid water be?

Answers

Answer:25grams

Explanation: the mass stays the same even when it changes form

Answer: The mass of the liquid would be 25 grams because mass does not change, even when changing form.

What happens when an X-ray is shot at an atom

Answers

Answer: X-ray fluorescence from atoms occurs when a high energy particle or X-ray knocks an electron free from the innermost energy level of an atom, creating an unstable atom.

Explanation:

Several interactions can happen when an atom is exposed to an X-ray, depending on the energy of the X-ray and the properties of the atom.

The most frequent interaction is referred to as the photoelectric effect, in which an X-ray photon collides with an atom's inner-shell electron to evict it from its orbit and ionize the atom. As a result, an ion and a free electron are created. Another potential interaction is Compton scattering, in which an outer-shell electron receives some of the energy from the X-ray photon and is expelled at a different angle with less energy as a result. Additionally, pair production, which results in the formation of an electron-positron pair, can happen at very high energies. In many applications, these interactions are crucial.

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when plants and animals die and decay, they become? answers useless ,fertilizer ,harmless, bluish-black

Answers

Answer:fertilizer

Explanation:

How fast can wind speeds get inside a tornado?

Answers

Answer - It is generally believed that tornadic wind speeds can be as high as 300 mph in the most violent tornadoes.

Answer:

Over 200 mph

Explanation:

I took the k12 quiz and looked at a weather website and it said tht was the answer

Look at the four chemical reactions. Reaction 1: 2H2 + O2 → 2H2O Reaction 2: 2NaCl → 2Na + Cl2 Reaction 3: CaO + H2O → Ca(OH)2 Reaction 4: 4Fe + 3O2 → 2Fe2O3 Which statement identifies the reaction that is different from the rest and explains correctly why it is different? (1 point) Reaction 2, because a single reactant is decomposed Reaction 1, because two reactants have decomposed Reaction 2, because a single ion is replaced in a compound Reaction 1, because two ions have interchanged their positions

Answers

Answer:

Reaction 2, because a single reactant is decomposed

Explanation:

It's the only one where the product was decomposed while the others became one. I took the quiz and it was correct.

The quantity of each type of organelle in a cell varies depending on the tasks the individual cell must perform. If a scientist needed to find cells that contained a large number of chloroplasts, where would be the best place to look?

Answers

Answer:

among plants or in a garden

Explanation:

so first thing is to establish the main function of chloroplasts which is photosynthesis the next thing is to establish which organisms primarily carry out this process which are plants therefore mostly in plant cells hope it helps

what is molecular formula of silicon dioxide by criss cross method​

Answers

Answer:

SiO2

Explanation:

4 2

Si \ / O

/ \

=>Si2O4

Cancelling 2 and 4

=>SiO2

Answer:

SiO2

Explanation:

You're welcome

Isabella wants to determine the mass of a metal block what is the SI unit for mass

Answers

Answer:

Kilogarm

Explanation:

Just took a test on this!

Which particles are found in an atom have charges

Answers

Atomic particles Because the usually have a chain reaction when blown up

Answer:

protons and electrons

Explanation:

protons are positivley charged

electrons are negetively charged

but neutrons have no charge

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