Answer:
In humans, there are two major processes used to convert glucose into energy. cellular respiration or aerobic respiration is one of these processes that take place in presence of oxygen that converts glucose into CO2.
The other process is lactic acid fermentation occurs in muscles in case of depletion of oxygen which converts glucose into lactic acid.
The third process is alcoholic fermentation does not take place in humans and occurs in yeast and some bacteria where they produce ethanol.
Humans cannot use alcoholic fermentation in their own body ferment as there is no genetic information in us to do so as it has encoded in yeast and bacteria.
HELP!! fill in the blank using the word bank please (picture attached).
Balance the following equation:
C2H5NH2(g) + O2(g) →
CO2(g) + H2O(g) + N2(g)
Answer:
4C2H5NH2(g) + 15O2(g) → 8CO2(g) + 14H2O(g) + 2N2(g)
Explanation:
The balanced chemical equation for the given chemical reaction is 4 C₂H₅NH₂(g) + 15 O₂(g) → 8 CO₂(g) + 14 H₂O(g) + 2 N₂(g).
What is chemical equation?Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.
A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .
The first chemical equation was put forth by Jean Beguin in 1615.By making use of chemical equations the direction of reaction ,state of reactants and products can be stated. In the chemical equations even the temperature to be maintained and catalyst can be mentioned.
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6Na(s) + N2(g) --> 2Na3N(s)
Answer:
80.0 g Na and 20.0 g N2.
Explanation:
This means the limiting reactant determines the maximum mass of the product formed.
is distilled water a pure substance or mixture
Answer:
pure substance,...................
Which electron transition would result in the emission
of energy?
A) 3s to 4s
B) 3p to 4p
C) 3s to 3p
D) 4p to 4s
HELP PLEASE!!
Answer:
When the electron transits from an excited state to its lower energy state, it will gice off the same amound of energy needed to raise to that level. This emitted energy is a photon.
The answer is C, 3s to 3p.
What mass of H2O is produced by the combustion of 1.00 mol of CH4?
CH4(g) + 202(g) → CO2(g) + 2H2O(e)
The mass of H2O is produced by the combustion of 1.00 mol of CH4 is 36.0 grams.
What do you mean by molar mass ?The term molar mass is defined as the mass of 1 mole of that particular substance and number of grams per mole of a compound.
The balance chemical equation is as follows:
CH4(g) + 202(g) → CO2(g) + 2H2O(e)
The mass of H2O = 36.0 g
Calculating the mass of H2O produced
mass of H2O = 1.00 mol CH4 × (2 mol H2O / 1 mol CH4) × (18.015 g H2O / 1 mol H2O)
mass H2O = 36.0 grams
Thus, The mass of H2O is produced by the combustion of 1.00 mol of CH4 is 36.0 grams.
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Which of the following ions is formed when a base is dissolved in a solution?
H+
O−
OH−
SO42+
Answer:
The Answer is B.
Explanation:
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An unknown mass of each of the following substances, initially at 23.0 ∘C , absorbs 1940 J of heat. The final temperature is recorded as indicated. Find the mass of each substance. Pyrex glass (final temp:55.4 C)
The mass of the Pyrex glass that absorbs 1940J of energy is 79.52grams.
How to calculate mass?The mass in a calorimetry procedure can be calculated using the following formula:
Q = mc∆T
Where;
Q = quantity of heat absorbed or releasedm = mass of substancec = specific heat capacity = 0.753Jg/°C∆T = change in temperatureAccording to this question, an unknown mass of each of the following substances, initially at 23.0∘C , absorbs 1940 J of heat. The final temperature is recorded as indicated. The mass can be calculated as follows:
1940 = m × 0.753 × (55.4°C - 23.0°C)
1940 = 24.39m
m = 79.52grams.
Therefore, 79.52grams is the mass of the pyrex glass.
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help me I beg you please
Answer:
44 98
Explanation:
Carbon Dioxide (CO2) - Has 1 carbon and 2 oxygens,
C=12 O=16,
Relative atomic mass(Ar) = 12 + (16 x 2),
Relative formula mass(Mr)= 44
Sulphuric Acid (H2SO4) - Has 2 hydrogens, 1 sulphur and 4 oxygens,
H=1 S=32 O=16,
Relative atomic mass(Ar) = (1 x 2) + 32 + (16 x 4)
Relative formula mass(Mr)= 98
What type of policy does the Federal Reserve use to boast a slow growing economy?
Answer:
Tight monetary policy is an action undertaken by a central bank such as the Federal Reserve to slow down overheated economic growth. Central banks engage in tight monetary policy when an economy is accelerating too quickly or inflation—overall prices—is rising too fast.
1) What is your Dawn Wall and how are you approaching it? What is the expected outcome? (Or, reflect on a 'Dawn Wall' in your past and discuss how you overcame it.)
2) Describe a few things that Kevin and Tommy had to overcome to realize their goal. (Or, describe what things had to be in order or exist for their goal to be realized.)
Determine the amount protons and electrons in Mg^2+
Answer:
12 protons, 12 neutrons and 10 electron
At this location, it is summer in the Northern Hemisphere because the North Pole is tilted
Away from the sun
Towards the sun
Answer:
This happens twice a year during Earth's orbit. Near June 21 the north pole is tilted 23.5 degrees toward our Sun and the northern hemisphere experiences summer solstice, the longest day of the northern hemisphere year.
...
Do other planets have seasons?
Uranus
30,589
97.8
Spring Equinox* 2050
Summer Solstice*
points toward the sun.
closer the earth is to the sun the more hot it will be the closer it is to summer,
you can see at D northern hemisphere is closest to sun and the north pole is pointing toward the sun.
How many moles of KBr are present in 180. mL of a 0.108 M solution?
Express the amount in moles to three significant digits.
by molality you can find the mole
Which of the following would have more inertia than a car:
A)a person
B)airplane
C)skateboard
D)bicycle
PLEASE HELP
Which statement best explains why mass is not conserved in a nuclear change?
Some of the products have less mass than the reactants.
Some of the reactants are not used.
Some of the atoms are lost in the reaction.
Some of the matter is converted to energy.
The statement that best explains why mass is not conserved in a nuclear change is that; "some of the matter is converted to energy".
In a nuclear reaction, mass is converted to energy. This is the energy that is given out when a new nuclide is formed during a nuclear reaction.
Generally, the scheme of a nuclear reaction is; Parent nucleus + Bombarding particle -------> Daughter nuclei + product particles + energy. This energy is obtained when mass is lost from left toi right in the reaction.
Hence, the correct answer is; some of the matter is converted to energy".
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Answer:
Unit 4 Lesson 2:
Energy Release Quick Check
1. 138
2. The conversion of an atom of one element into a different element through nuclear changes.
3. A nuclear equation is balanced according to mass number. A chemical equation is balanced according to the total mass before and after the change.
4. 82
5. Some of the matter is converted to energy.
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What's the study of earth and its atmosphere ?
Answer:
Meteorology is the science dealing with the atmosphere and its phenomena, including both weather and climate
Answer: Meteorology I believe
Explanation:
Help me join the name the muddled sentences
Answer:
did this help ?
Explanation:
He muddled his way through the opening verse and belted out the chorus, creating a schizophrenic performance.: The results included muddled avant-garde theatrical staging techniques and insensitive and maladroit portraits of African Americans .
Michelle and john are walking down the street deep in conversation
CFCs (or halocarbons) are ____ - _____ (range) times as powerful a GHG as CO2.
A) 1,000 - 15,000
B) 2,000 - 25,000
C) 5,000 - 65,000
D) 500 - 5,000
CFCs are 1000-15000 times powerful as compared to greenhouse gas such as CO2.
Chlorofluorocarbons are present in less amount or less abundant than carbon dioxide gas in the atmosphere but they are 10,000 times more powerful as a greenhouse gas.
These CFCS gases can remain in the atmosphere for more than 45 to 100 years. CFCS gases greatly damaged the ozone layer by reacting with it that leads to increase in the diseases such as skin cancer so we can conclude that CFCs are more powerful as compared to carbondioxide gas.
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1. Your parents go through McDonalds drive-thru and get you a Big Mac and Coke. You
take the lid off your Coke because it is too full and you need to sip some of the Coke so
it won't spill. After doing so, you forget to put the lid on. Then, a car pulls out in front of
you and your mom yells, "Look out!" You hold your cup still so it won't spill. However,
the coke still spills out. Describe which of Newton's laws you can contribute this to and
why. (textbook pg. 334)
Answer:
because theres a force called gravity
Explanation:
A measure of how much substance is packed into a space
A) Density
B) Mass divided by volume
C) Water
D) Element
Answer:
a
Explanation:
Answer:
A
Explanation:
Density is the amount of space that atoms are compacted in a substance.Apr 25, 2017
Is each ion stable? Explain.
Answer:
By satisfying the duet rule or the octet rule, ions are more stable.
Explanation:
Ionic bonds are formed through the exchange of valence electrons between atoms, typically a metal and a nonmetal. The loss or gain of valence electrons allows ions to obey the octet rule and become more stable.
The octet rule states that an atom is most stable when there are eight electrons in its valence shell. Atoms with less than eight electrons tend to satisfy the duet rule, having two electrons in their valence shell. By satisfying the duet rule or the octet rule, ions are more stable.
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In the equation above an element is identified by which latter
Answer:
C
Explanation:
Option C points to Sr which is the element Strontium
Given the reaction below, how many grams of Li3N can be formed from 6.07 g of Li? Assume an excess of nitrogen.
6 Li(s) + N2(g) → 2 Li3N(s)
Answer:
About 10.2 g Li₃N.
Explanation:
We are given the reaction:
[tex]\displaystyle \text{6 Li(s) + N$_2$(g) }\longrightarrow \text{2 Li$_3$N(s)}[/tex]
And we want to determine the amount of Li₃N that can be formed from 6.07 g of Li and an excess of nitrogen.
To convert from g Li to g Li₃N, we can: (1) convert from g Li to mol Li, (2) mol Li to mol Li₃N, and (3) mol Li₃N to g Li₃N.
The molecular weight of Li is 6.94 g/mol. From the equation, six moles of Li yields two moles of Li₃N. And the molecular weight of Li₃N is 34.83 g/mol as shown below.Molecular weight of Li₃N:
[tex]\displaystyle \begin{aligned}\text{MW}_\text{Li$_3$N} & = (3 (6.94) + 14.01) \text{ g/mol} \\ \\ & =34.83\text{ g/mol} \end{aligned}[/tex]
This yields three ratios:
[tex]\displaystyle \frac{1 \text{ mol Li}}{6.94 \text{ g Li}}, \frac{2 \text{ mol Li$_3$N}}{6 \text{ mol Li}}, \text{ and } \frac{34.83 \text{ g Li$_3$N}}{1 \text{ mol Li$_3$N}}[/tex]
From the initial value, multiply:
[tex]\displaystyle 6.07 \text{ g Li} \cdot \frac{ 1 \text{ mol Li}}{6.94 \text{ g Li}} \cdot \frac{2 \text{ mol Li$_3$N}}{6 \text{ mol Li}} \cdot \frac{34.83 \text{ g Li$_3$N}}{1 \text{ mol Li$_3$N}} = 10.2\text{ g Li$_3$N}[/tex]
In conclusion, 10.2 g of Li₃N is formed from 6.07 g of Li and an excess of nitrogen.
The basic unit of structure and function of living things is the .
Answer:
It would be cell
Explanation:
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S + 6 HNO3 --> H2SO4 + 6 NO2 + 2 H2O
In the above equation how many moles of water can be made when 28 moles of HNO3 are consumed?
AND
2 NH3 + 3 CuO g 3 Cu + N2 + 3 H2O
In the above equation how many moles of water can be made when 76 moles of NH3 are consumed?
#1
2 mol of water is made when 6mol of HNO3 are consumed.Let moles of water can be made be x
[tex]\\ \sf\longmapsto \dfrac{2}{6}=\dfrac{x}{28}[/tex]
[tex]\\ \sf\longmapsto \dfrac{1}{3}=\dfrac{x}{28}[/tex]
[tex]\\ \sf\longmapsto 3x=28[/tex]
[tex]\\ \sf\longmapsto x\approx 9mol[/tex]
#2
Let moles of water can be made be x
[tex]\\ \sf\longmapsto \dfrac{3}{2}=\dfrac{x}{76}[/tex]
[tex]\\ \sf\longmapsto 2x=76(3)=228[/tex]
[tex]\\ \sf\longmapsto x=114mol[/tex]
The accepted value of Ksp is 1.2×10−12 for Ag2CrO4. Calculate the percentage error if your experimentally determined value for Ksp was 1.5×10−10.
The percentage error in the experimental determination is 124%.
The experimentally determined value for Ksp = 1.5×10^−10
The accepted value of Ksp = 1.2 × 10^−12
The formula for percentage error is;
% error = absolute value of ( actual value - experimental value)/actual value × 100/1
% error = absolute value of (1.2 × 10^−12 - 1.5×10^−10)/ 1.2 × 10^−12 × 100/1
% error = 124%
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✞What Is an Alloy?⭐⭐
Help again thank you lots of points for you keep helping I will give you a good review thanks!
Answer:
it would prob be planet y