The patagium (plural: patagia) is a membranous structure that assists an animal in gliding or flight. The structure is found in living and extinct groups of animals including bats, birds, some dromaeosaurs, pterosaurs, gliding mammals, some flying lizards, and flying frogs.
A prehensile tail is the tail of an animal that has adapted to grasp or hold objects. Fully prehensile tails can be used to hold and manipulate objects, and in particular to aid arboreal creatures in finding and eating food in the trees.
Answer:
patagium in American English
1. a wing membrane, as of a bat. 2. the extensible fold of skin of certain insects or of a gliding mammal or reptile, as a flying squirrel.
Explanation:
A prehensile tail pertains to the tail of certain animals that enable the latter to grasp or hold objects. ... A fully prehensile tail is one in which the animal can fully hold on to and manipulate an object with its tail.
(WORD BANK - Neap, gravitational, greatest, moon, high, Spring, low, Sun)
Ocean tides are caused by the ______________ pull of the _______ and the _______. The moon has the __________ effect on the tides. When the Sun, moon and earth are in a straight line, we
have __________ tides. When the Sun, moon and earth are at right angles we have _________
tides. Spring tides are especially _________ tides while neap tides are especially _________tides.
Answer:
Ocean tides are caused by the gravitational pull of the moon and the sun. The moon has the greatest effect on the tides. When the Sun, moon, and earth are in a straight line, we have Neap tides. When the Sun, moon, and earth are at right angles we have spring tides. Spring tides are especially high tides while neap tides are especially low tides.
Explanation:
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You measure the amount of Oxygen released when Hydrogen peroxide is reacts with Sodium Hydroxide. You are measuring a ____Change
Chemical or physical change? No links please
Balance the equation: H2O2 → H2O + O2
Answer:
2H+0 =H2O
Explanation:
May this help you
PlEASE HELP MEEEE ASAP 50 PTS
When potassium metal is placed in water, a large amount of energy is released as potassium hydroxide and hydrogen gas are produced in the reaction 2K(s) + 2H20m - 2KOH(aq) + H2(g)- Your lab partner says this is a redox reaction and a combustion reaction. Do you agree? Defend your answer by explaining whether or not it meets the requirements of each type of reaction.
Yes,I agree that it is a redox reaction.
In the given reaction potassium metal is placed in water and when a reactive metal is placed in water, it reacts with water to form metal hydroxide and hydrogen gas, as a result, potassium hydroxide and hydrogen gas are produced in the reaction.
A redox reaction is a reaction in which a substance is oxidized during the reaction whereas some other substance is reduced during the reaction, simultaneously.
The given chemical reaction is:
2K(s) + 2H20(l) arrow 2KOH(aq) + H2(g)
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Answer:
In the given reaction potassium metal is placed in water and when a reactive metal is placed in water, it reacts with water to form metal hydroxide and hydrogen gas, as a result, potassium hydroxide and hydrogen gas are produced in the reaction.
Explanation:
23. Mg tends to lose 2 electrons to have a full outer shell. What resulting ion will it have?
Answer: Mg2+
Explanation:
pls help ——————————
—————-
Answer:
X has 9 Electrons, 9 Protons and 10 Neutrons
X is Fluorine
Explanation:
19 in X is Nucleon number
So, if you minus 19 by 9 down there (which is proton number) you'll get 10 (Neutron number).
Now, Proton = Electron. That's why Electron is 9 too. I figured that X is Fluorine bcuz it has 9 Electrons. If you venture around in the periodic table, fluorine is the ninth element innit.
hope this helps ya ＼(^o^)／
standardization is the process of titrating a solution prepared from
Standardization is the process of titrating a solution that is prepared from: a carefully measured solid mass to accurately find the concentration of titrant.
What is titration?Titration is also known as volumetric analysis (titrimetry) and it can be defined as a chemical process in which a solution of known concentration (titrant) is carefully and slowly added to another solution of unknown concentration, so as to determine the concentration or quantity of the analyte.
Similarly, a process referred to as standardization is used to titrate a solution that is prepared from a carefully measured solid mass to accurately find the concentration of titrant.
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The reaction of C2H4 +Cl2 is what type of reaction.
Answer:
C2H4(g) + Cl2(g)→C2H4Cl2(g)
This is an example of synthesis reaction, when compounds are joined together.
A scientist introduces an unknown type of particle into a cathode ray tube. The unknown particles travel in the same direction as the cathode ray. Which of the following statements is true?
A. The charge of the unknown particles is positive.
B. The charge of the unknown particles is negative.
C. The charge of the unknown particles is neutral.
Answer: B
Explanation:
1. Ethanol has a density of 0.800 g/mL.
What is the mass of 225 mL of ethanol?
Since the ethanol has a density of 0.800 g/mL, the mass of the ethanol is 180 grams.
Given the following data:
Volume of ethanol = 225 mL
Density of lead ball = 0.800 g/mL.
To find the mass of the ethanol;
Density can be defined as mass all over the volume of an object.
Mathematically, the density of a substance is given by the formula;
Density = Mass/Volume
Making mass the subject of formula, we have;
Mass = Density x Volume
Substituting the given parameters into the formula, we have;
Mass of ethanol = 180 grams.
Answer pls ASAPPP 50 pointsss!!
Answer:
There should only be one chemical reaction, this is because toasting the bread is not only using heat, but you cannot untoast the bread, and also theres a reaction with the amino acids and sugar in bread when it's cooked. I hope this helps you! :)
Answer:
One
Explanation:
One Chemical changes-It was when he toasted the bread. The heat changed the bread so that it has the crust on the outside
In a simple covalent compound, which statement is TRUE
about naming the second element in the compound?
a
The second element to be named is the one closer
to the left side of the periodic table.
The second element is given a prefix to represent
b how many of the element are present, and there
are no other changes to the element's name.
The second element to be named is the one closer
c to the right side of the periodic table, and it is given
the suffix -ide.
The element closer the right side of the periodic
d table is given its usual element name with no
changes.
Answer:
C:to the right side of the periodic table, and it is given
the suffix -ide.
An atom has 17 protons and 18 neutrons.
Which symbol represents that atom, including its mass number?
Answer:
Cl
Explanation:
cl has mass number 35 and its atomic number is 17 so number of proton =atomic number 17 and number of neutron is =mass number -number of proton =35-17 =18
Calculate the number of moles of NH3 formed by the reaction of 2 moles of N2 and 2 moles of H2,N2(g) + 3H2(g) forms 2NH3(g)
Answer:
we have to find the number of moles of NH₃ formed by reaction of 2 moles of N₂ and 2 moles of H₂. ... ∴ 2 moles of hydrogen will give = 1.33 moles of ammonia. therefore the no of moles of ammonia after the reaction would be 1.33 moles
how does a phenol red-containing solution look if co2 level is low?
Answer:
The variables to be examined in relation to carbon dioxide use are the amount of light exposure and amount of dissolved CO2. Phenol red is yellow/orange under acidic conditions, that is when the pH of the solution is less than 7 (e.g. pH = 6). This occurs when the concentration of CO2 is high.
Explanation:
is this correct
A phenol red-containing solution with low CO2 level will appear red.
Phenol red is a substance that serves as an indicator. It changes in colouration in response to the acidity or alkalinity of solutions.
In acidic solutions, phenol red turns yellow while the colour is red in basic solution.
Solutions with high CO2 levels are acidic while those with little to no CO2 concentrations are basic.
Thus, in a low CO2 solution, phenol red will turn red and the solution will generally appear red.
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What is the order of decreasing ionization energy?
1. cesium, barium, lead
2. barium, lead, cesium
3. lead, barium, cesium
4. barium, cesium, lead
5. lead, cesium, barium
6. cesium, lead, barium
which is more soluble in an acidic solution than in pure water?
Answer:
the anion of a salt is able to react with a H+ ion to form a weak acid, it can be removed from the solution by adding an acid. For CuBr adding H+ forms HBr and that is a weak acid; therefore, CuBr is more soluble in acid than in water:
How many molecules are there in .230kg of CoCl2?
I have been trying to answer this question but everytime I get the answer it goes to 4.96e-19 or lower. I don't understand what I am doing wrong or what the right way to set up the question.
Answer:
CoCI2 molecular weight is 129.84 g/mole
230 CoCI2 divided by the molecular weight
230 g/ 129.84 g/mole = 1.77 moles of CoCI2
If the temperature of a liquid increases, how is the average kinetic energy of
the liquid affected?
o Increase
o Remains the same
o Decrease
rar please help?????????????????????????????????????????????????????
Answer:
a new substance forms
Explanation:
Answer:
A new substance formed
Explanation:
Suggest one peice of laboratory apparatus which is suitable to be used for transferring the concentrated acid into a beaker. Explain your answer
Answer:
safety hand gloves face masks
Explanation:
13. An atom has 8 protons, 8 electrons, and 7 neutrons. What is the charge of the
atom and what type of ion is it?
Answer:
oxygen
Explanation:
It takes 40 mL of 0.10 M of hydrochloric acid (HCl) to neutralize 50 mL of sodium hydroxide (NaOH) for the following chemical reaction
HCl + NaOH → NaCl + H2O
The concentration of sodium hydroxide is _____.
0.125 M
0.08 M
0.10 M
0.04 M
Answer:
0.08 M
Explanation:
here...
1. water and a salt
2. Magnesium hydroxide reacts with HCl to produce a solution that is neutral.
3. titrant
4. 0.08 M
5. indicator
{quizlet: captncrun}
The concentration of sodium hydroxide is 0.08 M. The correct option is the second option 0.08 M
From the question,
We are to determine the concentration of sodium hydroxide
The given reaction is
HCl + NaOH → NaCl + H₂O
This means
1 mole of HCl is required to completely neutralize 1 mole of NaOH
To determine the concentration of sodium hydroxide,
We will use the formula
[tex]\frac{C_{A}V_{A} }{C_{B}V_{B}} = \frac{n_{A}}{n_{B}}[/tex]
Where
[tex]C_{A}[/tex] is the concentration of acid
[tex]C_{B}[/tex] is the concentration of base
[tex]V_{A}[/tex] is the volume of acid
[tex]V_{B}[/tex] is the volume of base
[tex]n_{A}[/tex] is the mole ratio of acid
[tex]n_{B}[/tex] is the mole ratio of base
From the give information
[tex]C_{A} = 0.10 \ M[/tex]
[tex]V_{A} = 40 \ mL[/tex]
[tex]V_{B} = 50 \ mL[/tex]
From the balanced chemical equation
[tex]n_{A} = 1[/tex]
[tex]n_{B} = 1[/tex]
Putting the above parameters into the formula, we get
[tex]\frac{0.10 \times 40}{C_{B} \times 50} = \frac{1}{1}[/tex]
Then
[tex]C_{B} \times 50 = 0.10 \times 40[/tex]
∴ [tex]C_{B}=\frac{0.1 \times 40}{50}[/tex]
[tex]C_{B}=\frac{4}{50}[/tex]
[tex]C_{B}=0.08[/tex]
Hence, the concentration of sodium hydroxide is 0.08 M. The correct option is the second option 0.08 M
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what is a molecule?
HELPPP
Answer:
a molecule is a group of atoms/elements bonded together
If a laser operating at a wavelength of 488 nm and a power of 123.0 mW is turned on for 18.73 minutes, how many photons has it emitted?
Answer:
3.39e+20
Explanation:
Because only certain size electron orbits are allowable, the frequency and energy of the electron is ___ .
Because only certain size electron orbits are allowable, the frequency and energy of the electron is quantized
According to the Bohr model of the atom, an electron moves from a lower to a higher energy level when it absorbs energy. This energy is released when the electron returns to ground state.
According to the Bohr model, only certain size electron orbits are allowable hence the frequency and energy of the electron is quantized.
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Answer the following:
What are 3 types of physical properties for nitrogen?
What are 2 types of chemical properties for nitrogen?
Answer:
What are 3 physical properties of nitrogen?
Elemental nitrogen is a colorless, odorless, tasteless, and mostly inert diatomic gas at standard conditions, constituting 78.09 percent of Earth's atmosphere by volume.
What are 2 chemical properties of nitrogen?
Elemental nitrogen is a colorless, odorless, tasteless, and mostly inert diatomic gas at standard conditions, constituting 78.09 percent of Earth's atmosphere by volume. Nitrogen gas is an industrial gas produced by the fractional distillation of liquid air or by mechanical means using gaseous air.
What is it called when a substance is in-between two states of matter?
Answer:
There are four natural states of matter: Solids, liquids, gases and plasma. The fifth state is the man-made Bose-Einstein condensates. Solids.
Explanation:
Hope this helps you out!!
We are the family members and love to
react with potassium (K).
Who we are?
Answer:wth does this even mean
Explanation:
What is climate? How does it differ from weather