Answer:
The law of conservation of mass indicates the same amount of carbon will be found in the reactants as in the products.
Explanation:
The mass of the reactants and products are equal and are not dependent on the physical state of the substances.
Law of conservation of mass and and law of conservation of energy describes this reaction very well.
What is law of conservation of mass?Law of conservation of mass states that that mass is neither created nor destroyed and remains constant over time.What is law of conservation of energy?Law of conservation of energy states that that energy is neither created nor destroyed , it only changes from one form to another form.How it is related with photo synthesis?In photosynthesis reaction plants uses sunlight as energy to convert carbon dioxide and water into glucose and oxygen.In this reaction total number of carbons , hydrogens and oxygens used remains constant.Thus, Law of conservation of mass and and law of conservation of energy describes this reaction very well.
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Describe two ways in which humans have
negatively affected groundwater.
The two ways in which humans have negatively affected groundwater are Fertilizers and pesticides.
What is fertilizers?
Fertilizers were chemical substances that are applied to crops in order to boost their yield.
What is pesticides?Pesticides are chemicals that are being used to keep pests at bay. Herbicides, insecticides, nematicides, and molluscicides are examples.
Fertilizers and pesticides applied to the land, manure from livestock as well as other animals, landfills, mining operations, even unintended releases such as chemical spills or storage tank leaks are all factors that affect groundwater quality.
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When ice cubes cause weathering, what type of weathering is it called?
Answer:
Chemical Weathering
Explanation:
Ice wedging and abrasion are two important processes of mechanical weathering. Chemical weathering breaks down rocks by forming new minerals. These minerals are stable at the Earth's surface. Water, carbon dioxide, and oxygen are important agents of chemical weathering.
- Weathering | CK-12 Foundation
In the reaction below, how would adding more of reactant A offect the equilibrium of the system? (2 points)
A+B=C+D
Oa
Shift it to the right toward the products,
Oь
Shift it to the left toward the reactants,
Equally create more products and reactants,
It would have no effect
Answer:
Shift it to the right toward the products,
Explanation:
Adding more reactant will increase the concentration of the reactants, to offset this increased concentration, more products will be formed.
An increase in concentration of a specie favors the direction that uses up that specie and lowers its concentration. If the concentration of the species on the LHS is increased , the equilibrium will shift to the right to maintain the constancy of the equilibrium constant.What is the observation from the Law of Conservation of Matter Lab that indicated a chemical
change took place?
A. The mixture released light
B. There was a production of gas
C. The mixture of baking soda and vinegar gave off heat
D. The mixture of vinegar and baking soda turned green
Answer:
D
Explanation:
2. Suppose this was done on top of a balance. Do you think the mass would change as the reaction proceeded?
It is impossible to generate or destroy matter. As long as nothing exits the system, the total mass determined at the beginning of the reaction will match the total mass determined at the conclusion of the reaction.
What is matter ?A material called matter is made up of several kinds of particles, occupies space, and has inertia. The many sorts of particles each have a unique mass and size according to the fundamentals of current physics. The electron, proton, and neutron are three examples of material particles that are most well-known.
Antoine Lavoisier discovered in 1789 that mass is neither generated nor destroyed in chemical processes, which led to the formulation of the Law of Conservation of Mass.
That is to say, the mass of any one element at the start of a reaction will be equal to that element's mass at the conclusion of the reaction.
However, mass may appear to change if the chemical reaction takes place in an open system.
Thus, It is impossible to generate or destroy matter.
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In all organisms, energy is stored in molecules called:
A. mitochondria
B. heat
C. glucose
D. ATP
Answer:
It is the D. Atp
Explanation:
Have a good day
Which is a fungus that lives together with a certain algae or bacteria?
spore
hyphae
lichen
fruiting body
lichen because it lives with the bacteria
Balanced Equation for C3H8
Answer:
The balanced chemical equation for the combustion of propane is: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g).
hope it helps :)
As you move down the periodic table the atomic radius gets bigger. This is because __
The more electronegative atom in a covalent bond will: * 1 point become an anion become a cation have a partial positive charge have a partial negative charge
Answer:
The correct option is have a partial negative charge
Explanation:
Since electronegativity can be described as the measure of the tendency of atom to attract electrons towards itself, the more electronegative atom in a covalent bond will have a partial negative charge. This is because, in covalent bond, there is sharing of electrons between participating atoms, the atom that has a higher electronegativity tends to attract the shared electrons towards itself making it slightly negative charge.
NOTE: The negative charge is partial and thus is not represented while drawing a covalent bonding diagram as this could be misinterpreted to mean an electrovalent bond if the charge is indicated.
What Happens When extra Solute is added to unsaturated ,saturated and supersaturated solution
Answer:
If More solute is added and it does not dissolve,then the original solution was saturated. if the added solute dissolves,then the original solution was unsaturated. A solution that has been allowed to reach equilibrium but which has extra undissolved solute at the bottom of the container must be saturated.
Which element below has properties of both metals and non metals ?
Answer:
I need more information.
Explanation:
Answer:
The answer is metalloids.
The metalloids are a unique group of elements that share properties of both metals and nonmetals. They're also called the semimetals because of the shared properties of these elements along the dividing line between metals and nonmetals.
Hope this helps, have a great day/night, and stay safe!
How do chemical reactions, such as burning, differ from physical changes, such as melting and other phase changes?
Answer:
How to differentiate between physical and chemical change?
Physical and Chemical Changes to Matter
Physical changes only change the appearance of a substance, not its chemical composition.
Chemical changes cause a substance to change into an entire substance with a new chemical formula.
Chemical changes are also known as chemical reactions.
can Someone help me with the formula
Answer:
zince hypohlorite
Explanation:
Answer:
Zince Hypohlorite
Which dark colored igneous rock forms most of the oceanic crust?
Answer: a coarse-grained, dark-colored, intrusive igneous rock. It is usually black or dark green in color and composed mainly of the minerals plagioclase and augite.
Explanation: I hope that helped. HAVE HOPE
Density of water is 1 g/ml. If a piece of wood with a density of 5 g/ml is
placed in a tub of water, will it sink or float? Explain.
Answer:
The piece of wood will sink
Explanation:
If an object has a density higher than water, it will sink, and the piece of wood is more dense than water when measured.
Why do some combinations of ionic compounds form a precipitate while
others do not?
Answer: The precipitate is formed because one of the compounds is insoluble. In double replacement reactions, the positive ions and the negative ions of the two dissolved reactants switch places to form the precipitation reaction.
Explanation:
A sample of xenon gas occupies 1.90L at 251 kPa and -18°C. What was the temperature of the xenon if the gas originally measured 1.65 L at 205 kPa?
The temperature of the xenon : 180.863 K
Further explanationCombined with Boyle's law and Gay Lussac's law
[tex]\tt \dfrac{P_1.V_1}{T_1}=\dfrac{P_2.V_2}{T_2}[/tex]
P1 = initial gas pressure (N/m² or Pa)
V1 = initial gas volume (m³)
P2 = final gas pressure
V2 = finalgas volume
T1 = initial gas temperature (K)
T2 = final gas temperature
P1=251 kPa
T1=-18+273=255 K
V1=1.9 L
P2=205 kPa
V2=1.65 L
[tex]\tt \dfrac{251\times 1.9}{255}=\dfrac{205\times 1.65}{T_2}\\\\T_2=\dfrac{205\times 1.65\times 255}{251\times 1.9}=180.863~K[/tex]
waves with the shortest wave lengths have the highest
Answer:
shortest wavelength - gamma rays
highest wavelength - radio waves
Explanation:
Look at the electromagnetic spectrum
Answer:
I don't use your question?
What is the state of matter of neon at -247°C?
Answer:atomic number 10 noble gas
Explanation:
INFER if the total mass of the products in a reaction is 90 grams,
what was the total mass of the reactants?
Answer:
90 grams. Input mass = output mass
Explanation:
Student burned 33% of the 1 billion carbon atoms in the lab. How many moles of carbon remained?
3.3x10^8
Оа
Oь
5.48x104.16
Ос
3.30x1018
Od
5.48x10^16
Submit
S
MP3
Answer:
Explanation:
1 billion carbon atoms = 10⁹ carbon atoms .
33% were burnt
67 % remained behind .
67 % of 10⁹ = 6.7 x 10⁸
6.02 x 10²³ atoms = 1 moles
6.7 x 10⁸ atoms = 6.7 x 10⁸ / 6.02 x 10²³
= 1.11 x 10⁻¹⁵ moles
What can cause the pH of water to be either to basic or to acidic
But pH is quite an important measurement of water. Maybe for a science project in school you took the pH of water samples in a chemistry class ... and here at the U.S. Geological Survey we take a pH measurement whenever water is studied. Not only does the pH of a stream affect organisms living in the water, a changing pH in a stream can be an indicator of increasing pollution or some other environmental factor
How can you determine the total number of electrons that an atom has from the Periodic Table?
Answer:
The number of protons in the nucleus of the atom is equal to the atomic number (Z).
The number of electrons in a neutral atom is equal to the number of protons.
Hope it worked
Based on what you know about the daughter cells that form by mitosis and meiosis, how do you think the offspring of asexually and sexually reproducing organisms compare to their parents? Justify your answer.
Answer:
well u see the offspring of asexual production will be identical to the parent because it only needs 1 parent where as sexual production requires 2 parents so it would look like both parents
Electromagnetic waves used in broadcasting are called?
What does the big ‘2’ in 2O2 mean?
Answer:
I believe it means two molecules of oxygen.
Explanation:
The name for the molecular oxygen model is o2 and when you place a number in front of the element, it tells how many molecules there are of that element. In this case, there are two molecules.
I would like to apologise in advance if this was incorrect.
A car is traveling down the street
in direction A. Which of the forces
shown in the figure above would
affect ONLY the speed of the car?
Answer:
Options pls
Explanation:
PLS help me:(:(:(:(:(:(:(
Answer:
i need to answer five questions very sorry
Explanation:
i dont even have a clue
Students are designing an experiment to test the law of conservation of mass using the following materials: 10 g baking soda, 30 mL vinegar, an electronic balance, and a resealable plastic bag. Describe the basic procedure the students should follow to model this law.
Answer:
1. Students need to measure masses of the items.
2. Put baking soda and vinegar in a plastic bag and close it.
3. Mix the two, allowing for a reaction to occur.
4. Figure the mass of the plastic bag while the two components are inside.
5. The combined mass should be equal to what each weighed on their own.
Explanation:
total mass of the products is equal to the total mass of the reactants
Aim:To test the law of conservation of massThe law of conservation of mass states that the total mass of the products must be equal to the total mass of the reactants , during a chemical reaction.
Materials required:10 g baking soda, 30 mL vinegar, an electronic balance, and a resealable plastic bag .
Equation for reaction:CH3COOH + NaHCO3 = CH3COONa + CO2 + H2O
Procedure1. Since we now the amount of baking soada and that of vinegar,, we weigh the plastic bag.then Pour the baking soda into the vinegar in a plastic bag and close it.
2. We mix the two by rubbing the plastic bag for proper mixing and the reaction to occur.
3.The reaction forms sodium acetate, with the the evolution of trapped co2 gas and water.
4. we weigh the plastic bag together with the products formed inside the
ConclusionWe would find out that The combined mass of the products would be equal to what each component weighed on its own.
Mass of reactants (baking soda + vinegar) = Mass of products (Sodium acetate + Carbon dioxide+ water)
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