a transverse wave, this is the magnitude of height of a wave from origin to crest. In a longitudinal wave, this is corresponds to how much the wave is compressed, as compared to areas of little compression. This is wave whose energy travels in the same direction as the energy is transferred
In a transverse wave, amplitude is the magnitude of height of a wave from origin to crest. In a longitudinal wave, crest is corresponds to how much the wave is compressed
What are waves?A wave is a dynamic disturbance of one or more quantities that propagates and is commonly described by a wave equation.
In transverse wave, magnitude of height of a wave from origin to crest part is called amplitude.In longitudinal wave, the part of the wave in which compression is occur will known as crest.Hence for the transverse wave that is amplitude and for the longitudinal wave that is crest.
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As the volume of a fixed mass of a gas increases at constant temperature, the pressure of the gas
A) increases
B) decreases
C) remains the same
Which best describes a heterogeneous mixture? O A. table salt and water B. alcohol and water C. oil and vinegar O D. hot tea and sugar
Answer:
C. oil and vinegar
Explanation:
A heterogeneous mixture is a mixture where the components are not uniform in composition, like oil and water. They don't mix. When you mix oil and vinegar, you have 2 layers because oil is less dense than vinegar.
Which group on the periodic table has the greatest number of metallic elements? O A. Group 18 (VIIIA) O B. Group 2 (IIA) OC. Group 13 (IIIA) O D. Group 7 (VIIB)
Answer: 18
Explanation:
i took a test and reviewed it and it said 18
On the periodic table, group IA has the most metallic elements.
What is Periodic table?All identified chemical elements are arranged in rows (referred to as periods) and columns (referred to as groups) in the periodic table of chemical elements, also known as the periodic table, in ascending order of atomic number.Groups are the names given to the periodic table's columns. In the table, individuals who belong to the same group make bonds of the same kind and have an equal number of electrons in their atoms' outermost shells. The periods refer to the horizontal rows.Elements in the periodic table can be divided into groups and eras. The periodic table is organized into horizontal rows for periods and vertical columns for groupings. As you advance, the atomic number grows.To learn more about Periodic table refer to:
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Which structure is found in producers in nearly all ecosystems?
A. stems
B. chloroplasts
C. leaves
D. rhizomes
Mg(OH)2
SO2
(NH4)2SO4
H3PO4
(All the numbers are subscripts!)
Answer:
I think this is it. and 38 points??
What is the pressure of nitrogen in atmospheres of a sample that is at 516.0 mm hg?
A) 0.679 atm
B) 5.09
C) 18.4 atm
D) 35.1 atm
Answer:
nitrogen in atmospheres of a sample is 0.679
How many grams are in 26 moles of
magnesium hydroxide?
1,516.31168 grams of Magnesium Hydroxide
Four different living organisms are shown below. Which statement is true for all of the organisms shown? The organisms are an ameba rabbit human and tree
balance the equation below SO2+O2>SO3
Explanation:
The balanced equation is 2SO2+O2→2SO3
What will happen to a soccer ball that is rolling across a field if an unbalanced force of friction is acting on the soccer ball?
A. The soccer ball will gradually move slower and slower until it stops.
B. The soccer ball will continue to move at a constant speed.
C. The soccer ball will move at a constant speed for a while, then slow down and stop.
D. The soccer ball will slow down for a while and then move at a constant speed without stopping.
A 40.0L tank of ammonia has a pressure of 12.7kPa. Calculate the volume of the ammonia if its pressure is changed to 8.4 kPa while its temperature remains constant
Answer:
60.5 L
Explanation:
If the gas temperature is constant, we can use Boyle's law:
P1V1 = P2V2
V2 = P1V1 / P2
P1 = 12.7 kPa
V1 = 40.0 L
P2 = 8.4 kPa
V2 = (12.7 kPa) (40.0 L) / (8.4 kPa) = 60.5 L
What volume of oxygen at 455 K and a pressure of 127400 Pa is produced by the decomposition of 114.7 g of BaO2 to BaO and O2?
Answer:
10 L
Explanation:
The equation of the reaction is;
2BaO2 = 2BaO + O2
Number of moles of BaO2 = 114.7 g/169.33 g/mol = 0.677 moles
From the reaction equation;
2 moles of BaO2 yields 1 moles of O2
0.677 moles of BaO2 yields 0.677 * 1/2 = 0.3385 moles of oxygen
Hence;
PV=nRT
V = ?
P = 127400 Pa or 1.257 atm
T = 455 K
n = 0.3385 moles
R = 0.082 atmLmol-1K-1
V = nRT/P
V = 0.3385 * 0.082 * 455/1.257
V= 10 L
Making comparisons explain how Bohr’s model and the modern model of the atom differ in terms of the path of an electron.
Answer:
bohrs model ios inversly to the pressure an modren model is inversly to the force
Explanation:
Before a child takes a bath, his mother mixes bubbles into bath water. Physical or Chemical Change?
Answer:
so i think correct answer is chemmical
PLS HELP ASAP!
just need to balance the equation but i have no idea how pls help meee
Answer: --- N^2 + --- F^2 => --- NF^3
Question 28: Answer: 1 N^2 + 3F^2 => 2NF^3
Answer: 3F^2 , 2NF^3
Explanation:
Help ASAP I’ll mark you as brainlister
Answer:
94.9% yield
Explanation:
Percent yield = actual yield/theoretical yield x 100
So you will divide the actual yield (what they really produced) over the theoretical yield (what they expected to produce). This will give you a decimal answer, which you multiply by 100 to get a percent.
169g/178g = 0.949 x 100 = 94.9%
What is the coefficient in front of the O₂ when the equation below is balanced C₂H₆O₂(g) + O₂ (g) → CO₂(g) + H₂O (g)
Answer:
The balanced equation is:
2C₂H₆O₂ (g) + 5O₂ (g) → 4CO₂ (g) + 6H₂O (g)
Therefore, the coefficient in front of O₂ when the given equation is balanced is 5.
Explanation:
In order to balance a chemical equation, it is necessary to ensure that there is an equal number of atoms for each element on both sides of the equation. This can be achieved by adding coefficients to chemical symbols or formulas as required.
Given equation:
C₂H₆O₂ (g) + O₂ (g) → CO₂ (g) + H₂O (g)
This equation is not balanced, because there are:
2 carbon atoms on the left side of the equation and only one on the right side.6 hydrogen atoms on the left side of the equation and only 2 on the right side.4 oxygen atoms on the left side of the equation and only 3 on the right side.Add the coefficient 2 in front of CO₂ and the coefficient 3 in front of H₂O on the right side of the equation:
C₂H₆O₂ (g) + O₂ (g) → 2CO₂ (g) + 3H₂O (g)
The carbon and hydrogen atoms are now balanced, but there are 4 oxygen atoms on the left side and 7 oxygen atoms on the right side. To balance the equation, double the coefficients on the right side and add the coefficient 2 in front of C₂H₆O₂ on the left side of the equation:
2C₂H₆O₂ (g) + O₂ (g) → 4CO₂ (g) + 6H₂O (g)
Now we have 6 oxygen atoms on the left side and 14 oxygen atoms on the right side. So if we add the coefficient 5 in front of O₂, there are14 oxygen atoms on the left side, and thus the equation is balanced.:
2C₂H₆O₂ (g) + 5O₂ (g) → 4CO₂ (g) + 6H₂O (g)
[tex]\begin{array}{|l|c|c|}\cline{1-3}\vphantom{\dfrac12}&\sf Left\;side&\sf Right\;side\\\cline{1-3}\vphantom{\dfrac12}\sf Carbon&2 \times 2=4&4\\\cline{1-3}\vphantom{\dfrac12}\sf Hydrogen&2 \times 6=12&6 \times 2=12\\\cline{1-3}\vphantom{\dfrac12}\sf Oxygen& 2\times 2+5 \times 2=14&4 \times 2+6 =14\\\cline{1-3}\end{array}[/tex]
Therefore, the coefficient in front of O₂ when the given equation is balanced is 5.
help meeeeee please
Answer:
B because the particles of the container 2 is faster thus having more kinetic energy and heat
Explanation:
Which of these is a compound?
A. Na
B. Cl
C. NaCl
D. C
Answer:
the answer is B
hope this is the answer you are looking for
Explanation:
The Rockies and the Appalachians are two major mountain ranges in the United States. Which type of plate movement caused these mountain ranges to form?
a divergent
b oceanic
c convergent
d transform
Answer:
Poop
Explanation:
Answer:
convergergent
Explanation:
Mountains form where two continental plates collide. Since both plates have a similar thickness and weight, neither one will sink under the other. Instead, they crumple and fold until the rocks are forced up to form a mountain range. As the plates continue to collide, mountains will get taller and taller.
Please Help :))) "A solution with a concentration of 5.7 x 10^-7M would be considered..."
Answer:
The solution is acidic.
Explanation:
To know which option is correct, we shall determine the pH of the solution. This can be obtained as follow:
Concentration of Hydrogen ion [H⁺] = 5.7×10¯⁷ M
pH =?
pH = –Log [H⁺]
pH = –Log 5.7×10¯⁷
pH = 6.2
pH scale reads as follow:
0 to 6.9 => Acidic
7 => Neutral
8 to 14 => Alkaline / basic
The pH of the solution (i.e 6.2) falls between 0 and 6.9 which indicates acidic.
Therefore, the solution is acidic.

A solution has a pOH of 5.
What is the pH?
Classify the solution as acid, base, or neutral.
Answer:
pH is the number given to a substance of how powerful it is before 7 or beyond 7.
the solution is an acid.
Explanation:
Pls mark BRAINLIEST
Answer:
August 15, 1971
The nine sheikhdoms still had not agreed on terms of union by 1971, however, prompting Bahrain to declare itself fully independent on August 15, 197
1.A solution has a pH of 5, calculate the pOH, [H+], and [OH-]. Classify the solution as an acid, base, or neutral solution.
it's an acid
Explanation:
I hope that this helps
What is the function of triglyceride molecules?
1. Short term energy storage
2. Long term energy storage and insulation for animals
3. Making DNA
4. Speeding up reactions
The half-life of 3H (H-3) is 12 years. About how long does it take for 127/128 of a sample of that radionuclide to decay? (Hint: this means only 1/128 are left)
A: 7 years
B:11.9 years
C:84 years
D:12.1 years
Answer:
i do believe its 7
Explanation:
Answer:84
Explanation:
25.2 g of CuSO4 6H20 (mm: 267.72 g/mol) is dissolved in 28.0 mL of water, calculate the molarity.
Answer:
3.36 M
Explanation:
Step 1: Given data
Mass of CuSO₄.6H₂O (m): 25.2 gMolar mass of CuSO₄.6H₂O (M): 267.72 g/molVolume of solution (V): 28.0 mL (we will assume it is equal to the volume of water)Step 2: Calculate the moles (n) of CuSO₄.6H₂O (solute)
We will use the following expression.
n = m/M
n = 25.2 g / (267.72 g/mol) = 0.0941 mol
Step 3: Calculate the molarity
Molarity is equal to the moles of solute divided by the liters of solution.
M = 0.0941 mol/0.0280 L = 3.36 M
In which cell will the molecules diffuse out
Explanation:
In plasma membrane the molecules diffuse out .
I hope this might be the answer
I hope this might be the answerand hope it helps u
Please help and thank you
Answer: Its c
Explanation: i did it
What does the nucleus of the cell control?
Answer:
Image result for What does the nucleus of the cell control?
The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information. Nucleoli are small bodies often seen within the nucleus.
Explanation:
Answer:
Life functions
Explanation:
hope this helps <3
Which arrangement of electrons is correct? Help please its timed!!! NO LINKS
Answer:
D
Explanation:
Because the spin quantum number is right and the order of filling is right.
what is the substance that is formed when the acid react with bases in a neutralization reaction?
Answer:
Water and Salt
Explanation:
A neutralization reaction occurs when an acid and a base react to produce water and a salt, and it entails the formation of water from the mixture of H+ and OH- ions.
Answer:
NaCl and water is formed when acid reacts with base