In which type of reaction is ATP the driving force?
A. anabolism only
B. catabolism only
C. both anabolism and catabolism
D. neither anabolism nor catabolism
This question is about energy transfers. Which is the correct definition of conduction.'
(1 Point)
Transfer of thermal energy when particles in a heated fluid rise.
Transfer of thermal energy as a wave.
Transfer of thermal energy by the vibration of particles.
Q+ ( poistive ion ) is an ion of element Q.
What has the highest value in the ion?
The proton number has the highest value in the ion
In an atomic element Q, the mass number is the number of the proton and the neutron, the electron encircles around the nucleus of the atomic element.
Recall that:
The electron is usually negatively charged;The neutron is a neutralThe proton is usually positively charged.∴
The atomic element Q+ has a positively charged ion, Thus, the proton number in the mass of the atomic element Q, therefore, has the highest value in the ion.
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The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it
circulates among atmosphere, terrestrial, and marine ecosystems. Using the model, evaluate each of the claims and
select ALL that are correct.
A)
Bacteria is essential to making nitrogen usable.
B)
Denitrification returns nitrogen to the atmosphere.
09
N2 is the form of nitrogen most used by plants,
D)
Fertilizers containing nitrogen are carried in runoff to lakes and rivers.
Eliminate
19
E)
Nitrogen fixation from lightning returns nitrogen to the atmosphere from
the soil
Answer:
A) Bacteria is essential to making nitrogen usable.
B) Denitrification returns nitrogen to the atmosphere.
D) Fertilizers containing nitrogen are carried in runoff to lakes and rivers.
Explanation:
The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmosphere, terrestrial, and marine ecosystems. Thus option A, B and D.
What is nitrogen cycle?Nitrogen cycle is defined as a biogeochemical process that converts inert nitrogen in the atmosphere into a form that living organisms can use.
It can also be defined as a cyclical process in which nitrogen travels through both living and nonliving things,
There are seven steps of nitrogen cycle.
Nitrogen fixationAssimilation AmmonificationNitrificationDenitrificationDissimilatory nitrate reduction to ammoniaAnaerobic ammonia oxidationBiogeochemical cycle is defined as the process by which a chemical substance cycles through Earth's biotic and abiotic compartments.
Thus, the nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmosphere, terrestrial, and marine ecosystems. Thus option A, B and D.
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How does Natural selection lead to the Evolution of bacteria?
Answer:
Bacteria can evolve quickly because they reproduce at a fast rate.
Explanation:
Bacteria can evolve quickly because they reproduce at a fast rate. Mutations in the DNA of bacteria can produce new characteristics. A random mutation might cause some bacteria to become resistant to certain antibiotics, such as penicillin.
How do the different processes of a rock cycle change a rock? Which processes will form an igneous, sedimentary, and metamorphic rock
What energy associated with light that allows us
to see colors on the ROYGBIV spectrum?
Answer:
Visible light waves let you see the world around you. The different frequencies of visible light are experienced by people as the colors of the rainbow.
Explanation:
When solid copper reacts with aqueous silver nitrate, the products are copper (II) nitrate and silver metal. How
many grams of silver would be produced from 83.94 grams of silver nitrate?
Answer:
This chemical equation means: One mole of solid copper plus two moles of aqueous silver nitrate produce one mole of copper(II) nitrate plus two moles of solid silver. This is a single replacement reaction in which the metal copper replaces the metal silver.
Explanation:
Hope this help
is mending a broken bone chemical change and why(short answer pls)
Answer:
In a physical change, the substances involved retain their original properties. A new substance is not formed. A physical change can be reversed. Chemical changes happen on a molecular level when two or more substances chemically bond together.
Mending a broken bone is a chemical change as to heal the bone enzymes are released which are chemicals.
What is a chemical change?Chemical changes are defined as changes which occur when a substance combines with another substance to form a new substance.Alternatively, when a substance breaks down or decomposes to give new substances it is also considered to be a chemical change.
There are several characteristics of chemical changes like change in color, change in state , change in odor and change in composition . During chemical change there is also formation of precipitate an insoluble mass of substance or even evolution of gases.
There are three types of chemical changes:
1) inorganic changes
2)organic changes
3) biochemical changes
During chemical changes atoms are rearranged and changes are accompanied by an energy change as new substances are formed.
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List four factors that affect precipitation
Topic scowmce
Precipitation.
Humidity is the amount of water vapour in the air. This is produced by the evaporation
of water from oceans, lakes, rivers, wetlands and plants.
When water evapour in the air cools, it condenses. In other words, it becomes liquid and
forms little drops. These droplets form clouds.
When the droplets are small, they remain suspended in the atmosphere. But they often
become colder and their size and weight increases When they become too heavy to
remain suspended in the air, they fall to the Earth’s surface. We call this precipitation,
which may be rain, snow or hail.
Factors affecting precipitation.
Different areas of the Earth’s surface receive different amounts of precipitation.
Latitude: it rain more in the areas near the equator than in the temperature
zones and polar regions. The temperature is higher near the Equator so there is
more evaporation.
Altitude: it rains more in high areas than in low areas.
Level of humidity: it rains more on the coast than inland. Seas are a source of
humidity.
Precipitation is measured in millimeters (mm) per square matre.
If u have 10 moles of C2H2 how many mole of O2 would you need
Answer:
i dont know04487448700
Which item is most likely to dissolve faster in water. A sugar cubes. B powdered sugar pls helpp
Answer:
Powdered sugar , it has much more surface area for the state change to occur over
Explanation:
I hope this helps.
What kinds of bonds can be found in soap?
Answer:
The chemistry of a soap molecule is such that one end of it has a polar covalent bond, while the tail is make up of carbon and hydrogen atoms that have non-polar bonds.
What does this demonstration show?
If 20 hits equal 1 web 1 futz equal 2 geese 10 webs equal to 1 futz How many gits are equal to 5gews?
Answer:
500 hits
Explanation:
If 20 hits equal 1 web 1 futz equal 2 geese 10 webs equal to 1 futz How many hits are equal to 5 geese?
Solution:
Given that:
20 hits = 1 web, 1 futz = 2 geese; 10 webs = 1 futz
10 webs = 1 futz; hence:
1 web = 1 web * 1 futz / 10 webs = 0.1 futz
1 web = 0.1 futz
1 futz = 2 geese; hence:
0.1 futz = 0.1 futz * 2 geese / 1 futz
0.1 futz = 0.2 geese
Therefore, 1 web = 0.1 futz = 0.2 geese
1 web = 0.2 geese
This means that 20 hits = 1 web = 0.2 geese
20 hits = 0.2 geese
5 geese = 5 geese * 20 hits / 0.2 geese
5 geese = 500 hits
How many moles are contained in 539.2 grams of Al(NO3)3
Answer; 2.531 moles
Explanation:
Which statement is most accurate about energy absorbed and released in this chemical reaction?
pls help im being timed
Mg(OH)2 → MgO + H2O [ΔH = 37.1 kJ]
A. It is an endothermic reaction and energy is released from the system
B. It is an endothermic reaction and energy is absorbed by the system
C. It is an exothermic reaction and energy is absorbed by the system
D. It is an exothermic reaction and energy is released from the system
Answer:
D. It is an exothermic reaction and energy is released from the system
Explanation:
Hope it helps you in your learning process.
Give 2 Examples of gasses
18. The mass of a metal ring is 116 g. You fill a graduated cylinder with 15 mL of
water and drop the ring into the cylinder. The water level rises to the 26 mL mark.
Which of the following could be the composition of the object?
Metal Composition Density (g/cm)
Silver
10.5
8.
Rhodium
12.41
Gold
19.32
Platinum
21.5
A
C
D.
19. Which of the following is an example of a chemical change?
1 The bread starts to rise in the oven.
II The egg white starts to turn into an opaque solid on the frying pan
III Steam from the shower starts to condense on the bathroom mirror.
A. I and II only
C. II and III only
B. I and III only
D. I, II, and III
20. Which of the following is an example of a physical change?
A. The silver ring is starting to tarnish.
B. The antacid helps calm your stomach.
C. A clump of clay is moulded into a bowl.
D. Milk goes sour when it is left out for days.
18 B 19 C and 20 A
cuz that's it I hope it helps you
4. Which of the following is the best example of increasing an object's potential energy O A rolling a bowling ball B. stretching a rubber band Oc swinging a baseball bat dronning an anno
Answer:
B. Stretching a rubber band.
Explanation:
How many moles are represented by 3.01 x10^24 oxygen atoms?
5.00 mol O₂
General Formulas and Concepts:Math
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightChemistry
Atomic Structure
Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.Stoichiometry
Using Dimensional AnalysisExplanation:Step 1: Define
3.01 × 10²⁴ atoms O₂
Step 2: Identify Conversions
Avogadro's Number
Step 3: Convert
Set up: [tex]\displaystyle 3.01 \cdot 10^{24} \ atoms \ O_2(\frac{1 \ mol \ O_2}{6.022 \cdot 10^{23} \ atoms \ O_2})[/tex]Multiply/Divide: [tex]\displaystyle 4.99834 \ mol \ O_2[/tex]Step 4: Check
Follow sig fig rules and round. We are given 3 sig figs.
4.99834 mol O₂ ≈ 5.00 mol O₂
How would an apple, potato, and onion all taste the same?
A) plugging your nose
B) Chewing on mint gum in intervals
C) eating them at the same time
Answer:
a
Explanation:
Answer:
a
Explanation:
HELP WITH THIS EASY SCIENCE WORK
Answer:(1)The urinary system's function is to filter blood and create urine as a waste by-product.
(2) two kidneys we have.
(3)The kidneys act as very efficient filters for ridding the body of waste and toxic substances, and returning vitamins, amino acids, glucose, hormones and other vital substances.
(4)Two ureters. These narrow tubes carry urine from the kidneys to the bladder. Muscles in the ureter walls continually tighten and relax forcing urine downward, away from the kidneys.
(5)A hollow, muscular, balloon-shaped organ that expands as it fills with urine.
(6)The urethra is the vessel responsible for transporting urine from the bladder to an external opening in the perineum.
(7)Urine is formed in the kidneys through a filtration of blood. The urine is then passed through the ureters to the bladder, where it is stored. During urination, the urine is passed from the bladder through the urethra to the outside of the body.
Explanation:
Explain how airbag gets deployed ? Explain the reactions involved?
Answer:
Let’s get back to simple physics and the laws of motion. Your car and everything in it are traveling in a given direction, to stop in requires force be applied in the opposite direction over a period of time. This occurs extremely quickly in an accident and the force is greater because the time the opposing force is acting on the vehicle is very short. The airbag system is designed to offer you protection from the violent forces exerted on you during an accident.
There are three main components to your airbag system, the bag, the inflator and the sensor. The sensor must register a collision force roughly equal to hitting a brick wall at 10 to 15 mile per hour before it will trigger the airbag inflation. Once tripped the airbag system inflates through a chemical reaction between sodium azide (NaN3) and potassium nitrate (KNO3) which creates nitrogen gas. An igniter is set off which quickly burns the chemical fuel and creates the gas needed for expansion. The bag then blows out of its storage in a split-second. Immediately after inflation, when the chemical burn is complete, the airbag begins to deflate as the gasses escape from holes in the fabric.
Explanation:
Which is an example of physical weathering?
limestone in rock dissolving when acid rain flows across it
bits of rock rusting when exposed to oxygen and water
wind blowing off bits of a rock over time
oxidation of certain metals in rock
answer: bits of rock rusting when exposed to oxygen and water
Explanation: i think because when it rains the water is left and freezes and night making the rock expand or start to Rust
To go from grams to moles you will have to multiply the grams by 22.4 true or false
yes you do need to multiply it by 22.4
A 1,000 kg ball traveling at 5m/s would have kinetic energy
Answer:
yes
Explanation:
Answer: 10 times more
10 times less
The same
Explanation:
e d g e b u t t ( i just got it wrong lol) but this is right:)
Balance the chemical equation. Based on the equation, how many grams of bromine are produced by the complete reaction of 11 grams of potassium bromide? Use the periodic table to get the weights of the elements. Carry out your calcuation in the same way as you did in parts A, B, and C. That is, begin by converting grams of KBr to moles of KBr, then use the mole ratio of KBr to Br2.
Answer:
Explanation:
The balanced chemical equation is Cl2 + 2KBr → 2KCl + Br2. The amount of bromine is calculated as follows:
11.0 g KBr (1mol KBr/119.002g KBr * 1mol Br2/2mol KBr * 159.808g Br2/1mol Br2= 7.39 g Br2.)
The balanced chemical equation is Cl₂ + 2 KBr → 2 KCl + Br₂.7.39 g of bromine are produced by the complete reaction of 11 grams of potassium bromide.
What is chemical equation?The Chemical equation is a symbolic representation of a chemical reaction is written in form of symbols and chemical formulas.The reactants are present on the left hand side while the products are written on the right hand side of the chemical equation.
A plus sign is written between reactants and products if they are more than one reactants or products in any case and an arrow is present which points towards the product side which indicates the direction of the reaction in which it is proceeding.There are coefficients present next to the chemical symbols and formulas .
The balanced chemical equation is Cl2 + 2KBr → 2KCl + Br2. The amount of bromine is calculated as follows:
11.0 g KBr which is 1 mole of KBr/119.002 g KBr × 1 mole of Br₂/2 mole KBr × 159.808 g Br₂/1 mole of Br₂= 7.39 g Br₂.
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What does the skeleton do
Explanation:
"The skeletal system works as a support structure for your body. It gives the body its shape, allows movement, makes blood cells, provides protection for organs and stores minerals"
All living things are made up of molecules that have carbon.
O True
O False
Answer:
True
Explanation:
Because Carbon is the primary component of macromolecules, including proteins, lipids, nucleic acids, and carbohydrates.
Answer:
True!
Explanation:
All living things contain carbon in some form. Carbon is the primary component of macromolecules, including proteins, lipids, nucleic acids, and carbohydrates. Carbon's molecular structure allows it to bond in many different ways and with many different elements. So therefore, its true (: