When glucose is broken down in an atmosphere where oxygen supply is limited, a 3-carbon compound known as ________ accumulates in the muscle.
Answer: Lactate!
Explanation:Hope this helps!!!
Step 2: Predict the Number of Nuclei at Each Half-Life
0.5"
Using the values from Step 1, predict the pattern
for the decay of 100 atoms over the course of eight
half-life cycles, Round to the nearest whole
number of atoms. Record in the appropriate
blanks
Time- Half-
Life Cycles, no
Initial
Radioactive Atoms
(Predicted)
100
1
1
0.5
А
2
0.25
A= 27
25
3
0.125
B
B = 16
4.
0.0625
6
C = 9
5
0.03125
С
D=4
6
0.015625
D
7
0.0078125
1
E
8
0.00390625
E
DONE
) Intro
Answer:
A=50
B=13
C=3
D=2
E=0
Explanation:
How do you know how to order an empirical formula?
Answer:
Start with the number of grams of each element, given in the problem. the mass of each element = the percent given. Convert the mass of each element to moles using the molar mass from the periodic table. Divide each mole value by the smallest number of moles calculated.
how many core electrons are there in a sodium atom?
Answer:
There are 13 core electrons in a sodium atom.
what is the molecular formula of linoleic acid?
Answer:
C18H32O2
Explanation:
This is it, i hope it helps Good luck.
mixture requires constant shaking to keep its constituents combined. It is best described as a _____.
homogenous mixture
colloid
suspension
solution
Answer:
[tex] \tiny \tt \: [/tex]
Suspension
BALANCED WORD EQUATION Aluminium carbonate + hydrochloric acid -->
Answer: 2Al+6HCl→2AlCl3+3H22Al+6HCl → 2AlCl3 + 3H2
Explanation:
why does a diprotic acid dissociate in a stepwise manner
Because they have the ability to supply exactly two protons.
Hope this helps!
A diprotic acid dissociates in a step wise manner as it has two protons and it looses one proton each in each dissociation step.
What are acids?Acids are defined as substances which on dissociation yield H+ ions , and these substances are sour in taste. Compounds HCl, H₂SO₄ and HNO₃ are acids as they yield H+ ions on dissociation.
According to the number of H+ ions which are generated on dissociation acids are classified as mono-protic , di-protic ,tri-protic and polyprotic acids depending on the number of protons which are liberated on dissociation.
Acids are widely used in industries for production of fertilizers, detergents batteries and dyes.They are used in chemical industries for production of chemical compounds like salts which are produced by neutralization reactions.
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What will be the primary result of the continuation of the
geologic processes indicated at this location?
Earth's magnetic field will reverse direction.
New oceanic crust will form.
o Continental crust will be forced downward.
Earth's circumference will increase.
Answer:
B
Explanation:
new oceanic crust will form.
The formation of a new oceanic crust will be the primary result of the continuation of the geologic processes. Therefore, option (B) is correct.
What is the oceanic crust?The oceanic crust can be described as the uppermost layer of the oceanic portion of the tectonic plates. The oceanic crust is composed of the upper oceanic crust, with pillow lavas complex, and the lower oceanic crust, made of troctolite, and ultramafic cumulates.
The oceanic crust lies above the rigid uppermost layer of the mantle. The crust and the rigid upper mantle layer together compose the oceanic lithosphere.
The oceanic crust is rich in iron and magnesium and composed of mafic rocks. It is thinner than the continental crust less than 10 Km thick but it is denser with 3.0 g/cm³ as opposed to the continental crust.
The oceanic crust displays a symmetrical pattern of positive and negative magnetic lines emanating from the mid-ocean ridge.
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2. What physical force causes suspensions to settle
Hello!
Answer:
Gravity
Explanation:
It can settle down and separate over time due to gravity.
Hope this helps! Have a great day!
EXPERIMENT 4 : TYPES OF PLATE BOUNDARY
Answer:
Movement in narrow zones along plate boundaries causes most earthquakes. Most seismic activity occurs at three types of plate boundaries—divergent, convergent, and transform. As the plates move past each other, they sometimes get caught and pressure builds up.
Explanation:
How many grams of solute are needed to order to prepare 100.00 mL of a 0.1000 M solution of a compound with a molecular weight of 350.0 g/mol
Answer:
i got 35 but i am as lost as you are so don't really take my answer as a trusted answer
The grams of solute are required.
The mass of solute is 3.5 g
c = Molarity = 0.1 M
M = Molar mass = 350 g/mol
V = Volume of solution = 100 mL = 0.1 L
n = Number of moles
m = Mass of solute
Molarity is given by
[tex]c=\dfrac{n}{V}\\\Rightarrow n=cV\\\Rightarrow n=0.1\times 0.1\\\Rightarrow n=0.01\ \text{moles}[/tex]
Molar mass is given by
[tex]M=\dfrac{m}{n}\\\Rightarrow m=Mn\\\Rightarrow m=350\times 0.01\\\Rightarrow m=3.5\ \text{g}[/tex]
The mass of solute is 3.5 g
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how many moles of iron are present in 3.15 × 10^24 atoms of iron?
Answer:
5.23 moles
Explanation:
How many moles of iron are present in 3.15 × 10^24 atoms of iron?
1 mole has 6.02 X 10^23 particles
so
3.15X10^ 24 atoms =( 3.15 X 10^24)/(6.02 X 10^23) =(3.15/6.02 )X 10 =
5.23 moles
How much mass does 1 mol of O2 gas have?
Answer: 15.99 x2g
Explanation:
Which of the following is NOT an example of a communicable disease.
The none communicable disease in the given option is diabetes
What is a communicable disease?A communicable disease is a type of disease that can be spread from one person to another.
Examples of communicable diseases include;
HIV, Hepatitis (A, B, C) Measles, TuberculosisInfluenzaCommon coldThus, the none communicable disease in the given option is diabetes.
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What will a wave look like with high amplitude and long wavelength?
A. Tall and narrow
B. Short and narrow
C. Tall and wide
D. Short and wide
Answer:
A tall and narrow A tall and narrow
Explanation:
Answer:
A. Tall and Narrow
Explanation:
The frequency of a wave is inversely proportional to its wavelength. That means that waves with a high frequency have a short wavelength, while waves with a low frequency have a longer wavelength. But high amplitude waves tend to be short spent and tall narrow linings.
as heat is added to melt ice. Does the temperature change?
Answer:
Depending on the deformity it will depend on the amount of the ice that is melted,it the majority is melted that is relevant to the heated liquid melting the ice,so yes only the water formalities of the melted ice.
11.Three atoms of element X react with an element(s) Y from group VIA. What
would be the chemical formula between X and Y.
Element “X” belongs to family 2A, meaning it is part of the family that includes elements such as Be and Mg. These elements will all have 2 valence electrons and can be represented by the following Lewis diagram:
Element “Y” belongs to family 5A, meaning it is part of the family of elements that includes elements such as N and P. These elements will all have 5 valence electrons and can be represented by the following Lewis diagram:
Atoms from these two families will usually react with each other by losing or gaining valence electrons to create stable ions (an ion is what we call an atom/particle that has a charge). These stable ions form by the atoms either losing or gaining electrons until they have the same number of valence electrons as the nearest Noble Gas. This means that each ion will have a full valence shell (usually consisting of 8 electrons), often referred to as a “stable octet”, and this process of creating stable ions is often called the “octet rule”.
Atoms with fewer that 4 valence electrons will normally have a weak hold on their valence electrons and will tend to lose their valence electrons when forming ions.
Atoms with 4 or more valence electrons will normally have a strong hold on their valence electrons and will tend to gain electrons when forming ions.
The charge on the ion arises from the fact that, initially, the atom is electrically neutral because it has the same number of electrons (negative charges) as protons (positive charges). By losing electrons, the atom will end up with more protons (positive charges) than electrons (negative charges) and will form an ion with an overall positive charge. By gaining electrons, the atom will end up with more negative electrons than positive protons becoming an ion with an overall negative charge.
So, an atom of element “X”, with only 2 valence electrons, must lose its 2 valence electrons (which will be gained by element “Y”) to form a stable ion with a 2+ charge (losing two electrons leaves the ion with 2 more positive charges (protons) than negative charges, so a net charge of 2+).
An atom of element “Y”, with 5 valence electrons, must gain 3 electrons (from element “X”) to form a stable ion with a 3- charge (gains 3 extra negative charges).
We can show this process using Lewis diagrams:
From this set of diagrams you can see that in order to create stable ions of both “X” and “Y” we need these atoms to react with each other in a 3:2 ratio (we need 3 atoms of X for every 2 atoms of Y). This means that the resulting chemical formula of the compound will be:
Now, we will look at a short cut that can help you figure this out without having to draw Lewis diagrams.
Compounds are electrically neutral, meaning they must contain equal numbers of positive and negative charges. For compounds consisting of oppositely charged ions, this means that the total charge of the negative ions must be equal to the total charge of the positive ions. In other words the ions must combine in a ratio that makes their charges add to zero.
If we look at the compound we just made, X3Y2, we can confirm this:
So, now you can you predict the formula of simple ionic compounds:
from the family of elements, determine the number of valence electrons each element has
determine the charge of the ions that each atom will form using the octet rule (or look on the periodic table, most will tell you the stable ionic charges that each element can form)
determine the ratio of positive ions to negative ions that results in an overall charge of zero
Example,
What is the formula of a compound produced when an element from family 3A combines with an element from family 7A?
An electron moved from a lower energy level to a higher energy level. What most likely happened during the transition? (4 points)
Group of answer choices
A random amount of light was released.
A fixed amount of energy was absorbed.
A fixed amount of energy was released.
A random amount of light was absorbed.
Answer:
A. A random amount of light was released
Explanation:
A random amount of light was released. Hence, option A is correct.
What are electrons?An electron is a negatively charged subatomic particle. It can be either free (not attached to any atom) or bound to the nucleus of an atom. Electrons in atoms exist in spherical shells of various radii, representing energy levels. The charge on a single electron is considered the unit electrical charge.
Electrons are sub-atomic particles that occupy energy levels in an atom of any chemical element. These electrons may move from one energy level to another.
Electrons may move from a lower energy level or ground state to an excited state or high energy level, or else move from a higher energy level to a lower energy level.
When an electron moves from a lower energy level to a higher energy level energy is absorbed by the atom, and when the movement is from a higher energy level to lower energy is released mainly as light.
Hence, option A is correct.
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Which of the following is the best definition of deposition in geology?(1 point)
A:the creation of volcanic rock when liquid magma hits the ocean and cools
B:the mixing of many layers of sediment by wind, water or ice
C:laying down of sediment in layers carried by wind, water or ice
D:the creation of any metamorphic rock
Answer:
Deposition is the laying down of sediment carried by wind, flowing water, the sea or ice. Sediment can be transported as pebbles, sand and mud, or as salts dissolved in water.
do not delete i just need help
Answer:
A. prokaryotic cell
Explanation:
We can easily identify the diagram as prokaryotic cell by the capsule shown. These organisms mostly have capsules.
What is Art Conservation?
Answer:
The conservation and restoration of cultural property focuses on protection and care of cultural property, including artworks, architecture, archaeology, and museum collections. Conservation activities include preventive conservation, examination, documentation, research, treatment, and education
Explanation:
this is the correct answer
The compound ammonium sulfate consists of two ions, NH4+ and SO42–, both of which are
Explain why reaction speed increases with temperature.
A compound contains 9.50 moles of carbon, 9.60 moles of hydrogen and 2.38 moles of sulfur. The molar mass of the compound is 168 grams per mole. What is the empirical and molecular formula of the compound?
Answer :
C4H4S and C8H8S2
what volume will 28.0 g of O2 occupy at STP?
Considering the definition of STP conditions, 28 grams of O₂ will ocupy at STP 19.6 L.
The STP conditions refer to the standard temperature and pressure. Pressure values at 1 atmosphere and temperature at 0 ° C are used and are reference values for gases. And in these conditions 1 mole of any gas occupies an approximate volume of 22.4 liters.
On the other side, the molar mass of substance is a property defined as its mass per unit quantity of substance, in other words, molar mass is the amount of mass that a substance contains in one mole.
In this case, you have 28 g of O₂. The molar mass es 32 [tex]\frac{g}{mole}[/tex]
Next, you can apply the following rule of three: if 32 grams of the compound are contained in 1 mole, 28 grams are contained in how many moles?
[tex]number of moles=\frac{28 gramsx1 mole}{32 grams}[/tex]
number of moles= 0.875 moles
Now, you can apply the following rule of three: if by definition of STP conditions 1 mole of O₂ occupies a volume of 22.4 liters, 0.875 moles occupies how much volume?
[tex]volume=\frac{0.875 molesx22.4 L}{1 mole}[/tex]
volume= 19.6 L
Finally, 28 grams of O₂ will ocupy at STP 19.6 L.
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Which are characteristics of matter? (Select all that apply)
A. Created from mixtures
B. Takes up space
C. Makes up atoms
D. Has mass
Answer:
B and D.
Explanation:
Matter takes up space and has mass.
Answer:
B and D
Explanation:
It is because matter is anything that has mass (weight) and can occupy space
What is the density of a bowling ball with a mass of 3.0 kg and a volume of 0.0050 m 3 ?
0.002 kg/m 3
0.015 kg/m 3
500 kg/m 3
600 kg/m 3
Answer:
600 kg/m³
Explanation:Formula to used = m/v
[] d is the density
[] m is the mass
[] v is the volume
Solving[Formula] d = m/v
[Plug-in] d = 3/0.0050
[Divide] d = 600 kg/m³
Answer0.002 kg/m³
0.015 kg/m³
500 kg/m³
600 kg/m³
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather
Answer:
[tex]\boxed {\boxed {\sf 600 \ kg/m^3}}[/tex]
Explanation:
We are asked to find the density of a bowling ball. The density of an object is its mass per unit volume. It is calculated by dividing the mass by the volume.
[tex]\rho= \frac{m}{v}[/tex]
The mass of the bowling ball is 3.0 kilograms and the volume is 0.0050 cubic meters.
m= 3.0 kg v= 0.0050 m³Substitute the values into the formula.
[tex]\rho= \frac{3.0 \ kg}{0.0050 \ m^3}[/tex]
Divide.
[tex]\rho= 600 \ kg/m^3[/tex]
The density of the bowling ball is 600 kilograms per cubic meter.
how does the body and brain react when u are developing feelings for someobody?
EASY QUESTION (PLEASE HELP THE INTERNET ISN'T SUCH A BIG HELP RIGHT NOW)
Things microscopes have helped scientists discover about cells.
(No links plz)
Answer:
Adding on to the answer said before, microscopes are pretty much one of the most significant tools used in Biology. It helped discover organelles, and smaller stuff like DNA, and prominently allowed Scientists to discover Bacteria and Archaea, the prokaryotic cells that contribute a big role in the functioning of soil, which is essential for our ecosystem.