Which best describes two ways in which hydrogen is involved in photosynthesis?
O1-Hydrogen is stored in leaves of plants.
2-Hydrogen combines with carbon dioxide to make glucose.
O1-Hydrogen is stored in leaves of plants.
2- Hydrogen combines with oxygen to make water.
O 1-Hydrogen enters plants as a component of water.
2-Hydrogen combines with carbon dioxide to make glucose.
O1-Hydrogen enters plants as a component of water.
2- Hydrogen combines with oxygen to make carbon dioxide.

Answers

Answer 1

Answer:

1- Hydrogen enters plants as a component of water.

2-Hydrogen combines with carbon dioxide to make glucose.

Explanation:

Hydrogen enters the plant bonded with Oxygen as water (H2O).

The water molecule splits and the Hydrogen combines with carbon dioxide to make glucose.

Answer 2

Answer:

1 - Hydrogen enters plants as a component of water.

2 - Hydrogen combines with carbon dioxide to make glucose.

Explanation:


Related Questions

pls solve
question attached as image

Answers

Answer:

a) formula for citric acid is - C6 H8 o7

b) lime water turns opaque after adding co2 due to the formation of calcium carbonate.

c) reaction 3 is displacement reaction where a high reactive metal displace a less reactive from its salt solution.

d) reaction 1) is combination reaction where two reactant combines to give a single product whereas reaction 2) is decomposition reaction where a single reactant splits into more that 1 products.

What is the si unit if sound

Answers

Explanation:

The SI Unit of sound is decibel.

or we can say that

The SI Unit of sound is watt per square metre (i.e.w/m2).

You are trying to determine the
freezing point for a 0.195 m
baqueous solution of K₂S.
How many particles does K2S
dissociate into?

Answers

From the equation; there are three particles in solution.

What is freezing point?

The term freezing point is the temperature at which a liquid substance is converted to solid. We know that this is colligative property thus it depends on the number of particles in solution.

The dissolution of K₂S gives us;

K₂S(s) ----> 2K^+(aq)  + S^2-(aq)

This implies that there are three particles in solution.

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is Zinc + Hydrogen Chloride a chem. change why or why not

Answers

Answer:

When zinc reacts with hydrochloric acid, the reaction bubbles vigorously as hydrogen gas is produced. The production of a gas is also an indication that a chemical reaction is occurring.

Explanation:

The reaction of nitrogen(g) with hydrogen(g) to form ammonia(g) proceeds as follows: N2(g) 3H2(g)2NH3(g) When 6.44 grams of N2(g) react with sufficient H2(g), 21.2 kJ of energy are evolved. What is the value of H for the chemical equation given

Answers

The enthalpy of the reaction is obtained as 4.876 kJ.

What is the enthalpy?

The enthalpy of a reaction is the heat that is absorbed or emitted in a reaction.

Given the reaction; N2(g) + 3H2(g) ⇔2NH3(g);

Number of moles of N2 = 6.44 grams/28 g/mol

= 0.23 moles

If 1 mole of N2 releases 21.2 kJ of energy

0.23 moles of N2 releases 0.23 moles *  21.2 kJ /1 mole

= 4.876 kJ

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Waste water from nuclear power plants is generally:

Answers

Answer:

Nuclear energy produces radioactive waste

A major environmental concern related to nuclear power is the creation of radioactive wastes such as uranium mill tailings, spent (used) reactor fuel, and other radioactive wastes. These materials can remain radioactive and dangerous to human health for thousands of years.

What mass of ammonium nitrate
is needed to dissolve in 995 g of
water to make a 1.50 m solution?

Answers

Answer:

=> 119.4597 g

Explanation:

From our question, we have been provided with the molarity of the resultant solution.

We know that, molarity of a solution is contained in 1 L or 1000 cm³ of solution.

Hence we have 1.50 moles in 1000 cm³.

Also, we know that, 1 cm³ equivalent to 1 g for water.

Thus, from our question we have 995 cm³ of water.

Lets now solve our problem;

1.5 moles are contained in 1000 c

x moles are contained in 995 cm³

Cross multiply

[tex]x \: moles \: = \frac{(995 {cm}^{3} \times 1.5 \: moles )}{(1000 {cm}^{3} )} \\ = \frac{1492.5 \: moles}{1000} \\ = 1.4925 \: moles[/tex]

1.4925 moles of NH4NO3 are required to be dissolved in water.

To find the mass of solute (NH4NO3) we use the formula;

Mass = RFM (Relative Formula Mass) x Number of moles

[tex] = 80.04 \: \frac{g}{mol} \times1.4925 \: mol \\ = 119.4597 \: g [/tex]

Therefore the mass of NH4NO3 needed to be dissolved in 995 g of water is 119.4597 g

Answer:

119.4597

Explanation:

Acellus

What are two ways in which the safe house of lean might influence a product owner?

Answers

The safe house of lean might influence a product owner to provide better customer service.

What is the main purpose of safe house of lean?

The safe house of lean is designed to provide ultimate value to the customer one the shortest possible time.

Employing the safe house of lean might influence the product owner in the following two ways:

enable the product ownerr work together with Agile Teams to develop stories with clear acceptance criteria.assist Agile Teams gain a clear understanding of their customers and how best to serve them.

Therefore, the safe house of lean might influence a product owner to provide better customer service.

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Ordinary water boils at 100°C. Can it be made to boil at 95°C or 105°C.​

Answers

It can be done. Normally the boiling point of water is 100°C. It will boil at temperature greater than 100°C more quickly. Water can be boiled at 95°C but for that the atmospheric pressure of the water should be decreased which will decrease the boiling point of water.

Concept :

To boil water at 95°C, decrease the atmospheric pressure.

At 105°C, the water will be boiling quickly than normal at 100°C.

The best way is add alcohol .

The common way is that decrease the atmospheric pressure .

This will work as per Boyles law ,and boiling point can be decreased.

but it has few restrictions

You can't decrease pressure simply at normal conditionsFor decreasing pressure you have to go hill tops .

Hence there is a spare way

Add alcohol

General alcohols like ethanol,butanol can decrease the boiling point of water

Escriba la formula de:

5) Ácido -3,3-dimetil-Pentinoico
6) 3-etil-6-Heptenoato de propilo
7) Bromuro de 2,3,3-trimetil--5--Hexenoilo
8) N,N-dimetil-2-metil-3-fenil-Butanamida
9) 2-etil-2,5-Octadienal
10) 2,3,3-trimetil-5-Hexinamida

Answers

Answer:

Translate your language to English

Please select the word from the list that best fits the definition

Rock that is formed from the remains of older rocks and organisms

Super position
Radioactive dating
Sedimentary
Igneous
Metamorphic
Rock Cycle

Answers

Answer is Sedimentary Rock
Explained

Sedimentary rocks are formed from layers of eroded rocks, sand, silt, dead plants, and animal skeletons.

What are chloroethane's conditions?

Please help me
Thanks

Answers

Explanation:

Hi there!

Chloroethane requires atleast one chlorine in ethane. It's general formula is CnH2n+1Cl. It mean it must have 2 carbons, 5 hydrogens and atleast one chlorine.

In addition, carbon-carbon bond must be single and chlorine is attached to either carbons. The carbon of this compound is SP³ hybridized and has bond angle of 120°.

Hope it helps!

it requires on chlorine

compare the properties of physical and chemical change with the help of an example.​

Answers

Explanation:

For physical change

(1)It is easily reversable, example: the melting of ice.

(2)It produces no new substance example: all cases of melting of solid to liquid.

(3) There is no change in the mass of the substance

example: the magnetization of iron.

For chemical change

(1)It is not easily reversable, example: all cases of burning.

(2) new substance are produced example: rusting of iron.

(3) There is change in the mass of the substance, example : slaking of lime.

Please answer step by step.

Answers

3 moles of NaOH reacts with 1 mole of phosphoric acid.

What is the moles ratio of the NaOH and Phosphoric acid reaction?

The moles ratio of the reaction between NaOH and Phosphoric acid is given by the equation of the reaction below:

[tex]3\:NaOH + H_{3}PO_{4} \rightarrow Na_{3}PO_{4} + 3\:H_{2}O \\ [/tex]

Based on the equation of the reaction, 3 moles of NaOH reacts with 1 mole of phosphoric acid.

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state and explain the trend in electronegativity values across period 3 from sodium to chlorine

Answers

The trend in electronegativity values across period 3 from sodium to chlorine is that sodium with 11 protons is the least electromagnetic element and chlorine with 17 protons is the most electronegative element.

What is electronegativity?

It should be noted that electronegativity simply means a chemical property that describes the tendency of an atom to attract elements towards it.

In this case, the trend in electronegativity values across period 3 from sodium to chlorine is that sodium with 11 protons us the least electromagnetic element and chlorine with 17 protons is the most electronegative element.

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What is the chemical formula for acetic acid?

Answers

CH3COOH

Explanation:

hope I helped

if you get the answer right mark me as brainlyst

Which particles that make up an atom are involved in nuclear reactions?.

Answers

Basically nuclear reactions need to involve protons and neutrons and changes in them. So it should be particles within the nucleus. Aka protons and neutrons.

if the maximum temperature for a particular day is 20°c and the minimum temperature is 10°c, the daily mean would be:

Answers

The daily mean, given the data from the question is 15 °C

Data obtained from the questionMaximum temperature = 20 °CMinimum temperature = 10 °CMean = ?

How to determine the daily mean

Mean = Sumation of data / Number of data

Mean = (20 + 10) / 2

Mean = 30 / 2

Mean = 15 °C

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If 19.4 mL of a Ca(OH)₂ solution are needed to neutralize 31.5 mL of 0.1 M HC₂H302 solution, what is the concentration (molarity) of the
Ca(OH)₂ solution?
Select one:
O a. 0.009 M
O b. 1.6 M
OC 0.08 M
O d. 0.1 M

Answers

The concentration (molarity) of the Ca(OH)₂ solution needed to neutralize 31.5 mL of 0.1 M HC₂H302 solution is 0.162M (option D).

How to calculate molarity?

The molarity of a solution can be calculated using the following formula:

CaVa = CbVb

Where;

Ca = concentration of acidCb = concentration of baseVa = volume of acidVb = volume of base

31.5 × 0.1 = 19.4 × Cb

3.15 = 19.4Cb

Cb = 0.162M

Therefore, the concentration (molarity) of the Ca(OH)₂ solution needed to neutralize 31.5 mL of 0.1 M HC₂H302 solution is 0.162M.

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Which quantity is held constant for Boyle's law, Gay-Lussac's law, and Charles's law?

volume

mass

temperature

pressure

Answers

Boyle's law: in Boyle's law, pressure of a gas in inversely proportional to the volume while the temperature is shield constant

Temperature

Gay-Lussac's law: In Gay-Lussac's law, pressure of a gas in directly proportional to the temperature while the volume is held constant.

Volume

Charles's law: In Charles's law, the volume of a gas is directly proportional to the temperature while the pressure is held constant.

Pressure

valance shell example..​

Answers

Answer:

Oxygen has six valence electrons, two in the 2s subshell and four in the 2p subshell.

Valence electrons are the electrons in the outermost shell, or energy level, of an atom.

Configuration of oxygen's valence electrons as 2s²2p⁴.

Explanation:

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[tex]\\ \green{MaggieEve}[/tex]

What is the name of this compound ​

Answers

Hydrobrome Aicd

I think so...

Answer:

[tex]\fbox {1,2-di bromo pentane}[/tex]

Explanation:

⇒ Bromine atoms present on 1st and 2nd Carbon atoms

⇒ 5 carbon atoms

⇒ Only single bonds

Hence, the IUPAC name will be :

1,2-dibromopentane

A 13.00 g sample of citric acid reacts with an excess of baking soda as shown in the equation.
H3C6H507 +3NaHCO3 →3CO2 + 3H₂O+Na3C6H507
What is the theoretical yield of carbon dioxide?
0.993 g
O2.98 g
O 3.65 g
8.93 g

Answers

Answer:

eheheehehehszndn!jejxxnndrrjrrrfufurururufjththjrjrjdjjjrj\u\ujrjeejrjjjj carbon

From Law of definite proportion
You can compare this
Citric acid (Mw) / 3CO2 (Mw) = Citric acid (g) / 3CO2 (g)
So (12)6+(1)8+(16)7 / 3[12 + (16)2] = 13 / 3CO2
192 / 132 = 13 / CO2
You can get 3CO2 = 8.93 g

An unidentified element has one electron in the outer most shell. Explain what
characteristics you would expect this element to have? Your response should include
three or four sentences

Answers

Answer:

They are unstable as single atoms, but can become stable by losing or sharing their one valence electron.

Explanation:

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Convert from moles to particles 6.02x1023 particles 1 mole Question 2. 2.7 moles of lithium Question 3. 1.8 moles of sodium chloride​

Answers

Considering the definition of Avogadro's number:

the number of molecules of lithium is 1.62621×10²⁴ molecules.the number of molecules of sodium chloride is 1.08414×10²⁴ molecules.

Definition of Avogadro's number

Avogadro's Number or Avogadro's Constant is called the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance. Its value is 6.023×10²³ particles per mole. Avogadro's number applies to any substance.

Amount of molecules in this case

You can apply the following rule of three, considering the Avogadro's number:  If 1 mole of lithium contains 6.023×10²³ molecules, 2.7 moles of lithium contains how many molecules?

amount of molecules of lithium= (6.023×10²³ molecules × 2.7 moles)÷1 mole

amount of molecules of lithium=1.62621×10²⁴ molecules

Finally, the number of molecules of lithium is 1.62621×10²⁴ molecules.

On the other hand you can apply the following rule of three, considering the Avogadro's number:  If 1 mole of sodium chloride​ contains 6.023×10²³ molecules, 1.8 moles of  sodium chloride​ contains how many molecules?

amount of molecules of sodium chloride= (6.023×10²³ molecules × 1.8 moles)÷1 mole

amount of molecules of sodium chloride=1.08414 ×10²⁴ molecules

Finally, the number of molecules of sodium chloride is 1.08414×10²⁴ molecules.

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Grams in 1.083e+24
Molecules Na BR


Please help explain why

Answers

Answer:

185 gms o NaBr

Explanation:

Na Br  mole weight = 22.989 +79.904 = 102.893  gm/mole

1.083 x 10^24  molecules / 6.022 x 10^23 molecules / mole = 1.798 moles

102.893  *  1.798 = 185 gms

The products of __________ combustion are carbon monoxide, carbon and water. what one word completes this sentence?

Answers

Answer:

Complete combustion

Explanation:

To solve such this we must know the concept of combustion reaction. Therefore the products of complete combustion are carbon monoxide, carbon and water.

What is chemical reaction?

Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved.

There are so many types of chemical reaction reaction like combustion reaction, acid base reaction, double displacement reaction, combustion reactions. The products of complete combustion are carbon monoxide, carbon and water. Large amount of heat is also released in combustion reaction

Therefore the products of complete combustion are carbon monoxide, carbon and water.

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which sugar is called milk sugar

Answers

Answer:

Lactose is called milk sugar.

Explanation:

Hope It Helps!!!

Answer:

lactose

Explanation:

credits to the answer above !

What is the word equation for atoms of magnesium reacting with molecules of oxygen to produce magnesium oxide?

Answers

Answer:

The "word equation" is Magnesium + Dioxygen → Magnesium Oxide

Explanation: This is also the same as Mg + O₂ → MgO.

What is the molar concentration of
a solution that contains
5.0 mol HCl in a total volume
of 10.0 L?

Answers

Answer:

0.5

Explanation:

5/10=0.5

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