Starches and sugars being broken down during energy production

a
Chemical Change
b
Physical Change

Answers

Answer 1

Answer:

A. Chemical Change

Explanation:

When starches and sugars are being broken down during energy production it represents chemical change.

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Related Questions

I need help with this question​

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Answer:

ok ok ok okbokvjhkeokkd

name gaseous element in period 2 group 16?

Answers

Answer:

mark me as a brainlist answer

Explanation:

Oxygen

briefly explain how to separate a mixture of water, kerosene, sawdust and nahso4? ​

Answers

Answer:

Use filtration method lol.

Acetylene, C2H2, burns according to the following reaction: C2H2 5O2 --> 4CO2 2H2O. Suppose 1.20 g of C2H2 is mixed with 3.50 g of O2 in a closed, steel container, and the mixture is ignited. What substances will be found in the mixture left when the burning is complete

Answers

WWWWWWAAAAAAPPPPPP!!!!!

C2H2 will be left  when the burning is complete.

The equation of the reaction is; 2C2H2 + 5O2 --> 4CO2 + 2H2O

The number of moles of C2H2 reacting is = 1.20 g/26 g/mol = 0.046 moles

The number of moles of O2 is = 3.50 g/32 g/mol = 0.109 moles

Since;

2 mole of C2H2 reacts with 5 moles of O2

x moles of C2H2 reacts with 0.109 moles of O2

x = 2 mole × 0.109 moles/5 moles

x = 0.044 moles of C2H2.

It then follows that C2H2 is the reactant in excess so C2H2  will be left  when the burning is complete.

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which atom is indicated by this configuration - [Ne] 3s^1

Answers

Explanation:

Neon is [Ne] 3s2 3p3 = 1s2 2s2 2p6 3s2 3p3.

What would the car weigh on Earth with a gravitational pull of 9.8 N/kg?

Answers

Answer:

Explanation:s the gravitational field strength on Earth's 9.8 N kg?

The gravitational field strength of the Earth is 10 N/kg (10 newtons per kilogram).

Aqueous lead (II) nitrate, Pb(NO3)2 undergoes a double displacement reaction with aqueous sodium chloride, NaCl, in which a precipitate forms. If the precipitate contains lead, write the balanced chemical equation for this reaction. Be sure to include the states of each of the reactants and products

Answers

Answer:

[tex]{ \sf{Pb(NO_{3})_{2(aq)} + 2NaCl _{(aq)} → 2NaNO_{3(aq)} + PbCl _{2(s)} }} \\ [/tex]

Solid solid soluton example​

Answers

Explanation:

rice and rice coatssalt and sugarsand and mudwheat flour and corn flour

What common group name is carbon in on the periodic table?

Answers

Answer: it's group 14

Explanation:

The common group name for carbon is Group 14 (IVa) on the periodic table.

Based on the equation, how many grams of Br2 are required to react completely with 36.2 grams of AlCl3? 2AlCl3 + 3Br2 → 2AlBr3 + 3Cl2 (5 points)
a) 65.2 grams
b) 69.8 grams
c) 72.1 grams
d) 76.5 grams

Answers

Explanation:

basically, you'll just have to convert the given grams into moles, convert that into moles of Br, and then convert it again into grams of Br

The amount of gram of [tex]Br_{2}[/tex] will be  65.1 grams in equation [tex]2AlCl_{3} + 3Br_{2}[/tex]→ [tex]2AlBr_{3} + 3Cl_{2}[/tex].

What is gram?

The definition of a gram was given as the mass of one cubic centimeter of pure water at 4 degrees Celsius.

Calculation of amount of  [tex]Br_{2}[/tex]

The given equation is [tex]2AlCl_{3} + 3Br_{2}[/tex]→ [tex]2AlBr_{3} + 3Cl_{2}[/tex].

The mass of  [tex]Br_{2}[/tex]  = Count of bromine molecule × molar mass

The mass of  [tex]Br_{2}[/tex]   = 0.4072 × 159.8

The mass of  [tex]Br_{2}[/tex]   = 65.08 mol.

The amount of gram of  [tex]Br_{2}[/tex]  will be  65.1 grams in equation  [tex]2AlCl_{3} + 3Br_{2}[/tex]→ [tex]2AlBr_{3} + 3Cl_{2}[/tex].

Therefore, the answer will be option (a).

To know more about gram.

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• 2. Using the following formula Force (N) = mass (kg) * acceleration (m/s").
What is the force of a ball with a mass of 5kg fallinly to the ground at
10m/s.

Answers

Answer

50 N

Explanation

What are some possible molecules that could have the empirical formula, XY2Z?

Answers

Answer: a

Explanation:

i took the test

Write a word equation for the chemical reaction.

I’ll brainlist.

Answers

Answer:

potassium hydroxide + sulfuric acid → potassium sulfate + water.

Explanation:

Hope it helps.. if yes, plz mark me as brainliest

A decrease in temperature reduces the volume of gas

a
Chemical Change
b
Physical Change

Answers

Answer:

Chemical change.

Hope this helps you.

a) chemical change.
just the letter A is your answer that says chemical change (sorry had to put extra words for the new policy)

Please help me with this chemistry

Answers

Answer:

platinum is the correct answer

Answer:

it would be made of platinum

Explanation:

In store A: A box of cotton candy costs 1 dollar, 12 boxes cost 12 dollars. In store B: 12 boxes cost 48 dollars. How much does each box cost in store B?​

Answers

Answer:

4

Explanation:

If there is 12 boxs that cost $48, you need to divide the 12 boxs into the $48 to see how many time 12 goes into it to see how much it is. So 48 divided by 12 is 4.

please answer quick...................

Answers

Answer:

3). C

Explanation:

When inter-nuclear distance [ atomic radius ] is smaller, the nuclear attraction has a greater magnitude.

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Melting is
A. state of matter change from solid to gas.
B. state matter change from solid to liquid.
C. state of matter change from gas to liquid.
D. state of matter change from liquid to solid.

Answers

Answer:

b is correct

Explanation:

Answer:

B.  state matter change from solid to liquid.

Explanation:

Melting happens when a solid turns (melts) into a liquid.

hope i helped

can someone answer this

Answers

Answer:

[tex]{ \underline{ \sf{solubility}}}[/tex]

What does a virus inject into a cell?

Answers

Answer:

The virus's genome is uncoated from the protein and injected into the host cell.

Explanation:

Which of these things are NOT listed in the periodic table?
Element Name or Symbol
Atomic Weight
Atomic Number
Atomic Orbital Radius

Answers

Atomic weight is not listed on the periodic table

In what situation would you most likely need to use a computer to analyze data?(1 point)

Answers

The answer would be A

When you have collected a lot of data most likely need to use a computer to analyze data. Option B is correct.

What is the analyzed data?

The analyzed data is a system in which the unmanaged data or the messy data can be arranged in a recognizable sequence for the better study of something for which data is to be maintained.

The computer is needed for the process as the computer has some special characters to maintain tables according to alphabets and according to the number and can be taken out anytime want.

Therefore, Option B is correct. When you have collected a lot of data most likely need to use a computer to analyze the data.

Learn more about analyzed data, here;

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Someone plz help me :(

Answers

Answer:

Descriptive investigations use careful observations and measurements to develop findings. Science journals, science logs, and field notebooks are some of the tools scientists use to gather information for descriptive investigations.

Explanation:

what amount (in moles) is present in 2.0g of sodium hydroxide,NaOH

Answers

Answer:  0.050 moles of NaOH

Explanation:  The molar mass of NaOH is 40.0g/mole

2.0g/40.0g/mole  =  0.050 moles (2 sig fig)

Quais são as fórmulas das bases formadas pelos respectivos cátions Au3+, Fe2+, Pb2+, Na+ e Mn4+? *

Answers

Answer:

This is an English server, sorry

Explanation:

A statement that describes what scientists expect to happen every time under a given set of conditions is call a scientific

Answers

Answer:

law

Explanation:

it is called a scientific law

yo help me do this asap pls​

Answers

Answer:

l think it's hydrogen chloride

Explanation:

Pls help with these two questions~-~

Answers

The answer is geometry and geography you add math subtract read and follow instructions

Nitrogen is inactive gas, why?​

Answers

because it doesn't react easily with other elements it requires high heat and other things

An element has an atomic number of 16. An ion of this element has a 2-charge. How was the ion formed?

Answers

Answer: The answer is ‘a neutral atom gained 2 electrons’

Explanation: Because electrons are negatively charged and adding 2 extra would make the ion negatively charged by 2

Answer:

The answer to all the quiz questions are

Explanation:

1. Which statement describes the number of protons in each atom of an element?

*The number of protons is given by the atomic number, which increases by one moving from left to right across each row of the periodic table.*

2. An element has an atomic number of 16. An ion of this element has a 2– charge. How was the ion formed?

*A neutral atom gained 2 electrons.*

3. Rubidium has an atomic number of 37 and a mass number of 85. How many protons, neutrons, and electrons does an ion of rubidium with a 1+ charge have?

*37 protons, 48 neutrons, and 36 electrons*

4. There are three stable forms of neon: neon-20, neon-21, and neon-22. Which statement is true?

*Their atomic masses differ.*

5. Beryllium has an atomic number of 4. How many neutrons does the isotope beryllium-9 have?

*5*

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