The river will deposit sediment along the inside of a bend in the river. This deposition causes the inside of the curve to become shallower and move farther inward.
What are Meandering Rivers ?Rivers flowing over gently sloping ground begin to curve back and forth across the landscape. These are called meandering rivers.
Meandering rivers erode sediment Larry from the outer curve of each meander bend and deposit it on an inner curve further down stream.
This causes individual meanders to grow larger and larger over time.
Meandering river channels are asymmetrical. The deepest part of the channel is on the outside of each bend. The water flows faster in these deeper sections and erodes material from the river bank.
The water flows more slowly in the shallow areas near the inside of each bend. The slower water can't carry as much sediment and deposits its load on a series of point bars.
Thus the settling of sediment will make the stream steeper.
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Answer:
The river will deposit sediment along the inside of a bend in the river. The deposition causes the inside of the curve to become shallower and move farther inward.
Explanation:
Edmentum
HPO42- is an amphoteric ion. Is the Ka or Kb for this ion larger? (Hint: Consider
what its conjugate acid and conjugate base are in calculating the constants.)
Would you expect it to behave more like an acid or a base?
Sibce its Kb is larger than its Ka, the monohydrogen phosphate ion, HPO4^2- will behave more as a base than as an acid.
What is an amphoteric ion?An amphoteric ion is an ion that can act both as an acid or a base.
An example of an amphoteric ion is monohydrogen phosphate ion,
[tex]HPO_4^{2-}[/tex]
The Ka of monohydrogen phosphate ion is 4.8 × 10^-13 while the Kb is 1.6 × 10^-7.
The In is greater than the Ka.
Therefore, the monohydrogen phosphate ion, HPO4^2- will behave more as a base than an acid.
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Please help!!!!!!
The graph shows the change in concentration of one of the species in the reaction
A + B + C→D + E.
If the graph indicates the reaction rate, then the concentration of which species is plotted?
A
B
C
E
Answer:
E.
Explanation:
Look at change in concentration over time...is it increasing or decreasing? It is increasing right as you can see because it starts at 0 then increases and plataeus. What increases in a reaction, reactant or product? Products increase right cuz your reactants react with each other to make prodcuts.
At start of reaction you have no products (zero) thus this graph starts at 0. At end you have alot of product thus over time the concentration of product increases.
ABC are reactants their concentration should decrease over time
DE are products, they should increase as reaction goes on.
Which of the following is the lowest temperature?
O 330 K
O 48°C
O 64°F
Oxygen always become negatively charged when it forms covalent bonds true or false?
Answer:
I think false
Explanation:
bcs oxygen can create good feeling in our body
50 POINTS PLEASE ANSWER QUICK (bad answers will be reported)
22. A student claims that water's polarity is the reason it has high specific heat. What method could the student use to test his claim?
A. Perform research to see if other polar molecules have high specific heat.
B. Measure how much energy it takes to increase the temperature of water by one degree.
C. Mix water with acid and test the new specific heat.
D. Determine how dissolving salt in water affects the specific heat.
Answer:
B
Explanation:
specific heat capacity is the amount of Heat required to raise the temperature of a unit mass of substances by one degree
What do you think is the reason for an increasing atomic radius within one group?
Answer:
As you go down a group on the periodic table, you get more electron shells and therefore a larger atomic radius.
calculate the molarity of 500.0 mL of solution in which 50.0g of HCL has been dissolved
[tex]\huge\underline\mathcal{\red{A}\blue{n}\pink{s}\purple{w}\orange{e}\green{r} -}[/tex]
Given - 500 mL of solution containing 50g waterTo calculate - molarity of the solutionWe know that ,
[tex]Molarity \: (M) = \frac{no. \: of \: moles \: of \: solute }{volme \: of \: solution} \\[/tex]
it can be seen that we aren't provided with the no. of moles of solute in the question.
So let's calculate it using the given formula ~
[tex]no. \: of \: moles \: of \: solute = \frac{given \: mass}{molar \: mass} \\ \\ \longrightarrow \: \frac{50}{36.5} \\ \\ \longrightarrow \: 1.37 \: moles \: ( \: approx \: )[/tex]
Also ,
we're given that volume of solution = 500 mL = 0.5 L
Substituting the values in the formula of molarity , we get
[tex]Molarity = \frac{1.37}{0.5} \\ \\ \bold{\implies \: \boxed{Molarity = 2.74M}}[/tex]
hope helpful ~
What is a standard solution?
Answer:
A standard solution is any chemical solution which has a precisely known concentration.
Sodium Chloride for example.
Explanation:
Answer:
A standard solution is solution containing precisely known concentration of an element or a substance
Help please I really don’t understand
How many moles of calcium do you have if you measure out 13.95 g of calcium?
Moles are the divisional of the mass and the molar mass. In 13.95 gms of calcium, there are 0.348 moles.
What are moles?In chemistry, moles are the measurement units that are used to estimate the small entities of the atoms or the molecules. Moles are calculated as:
Moles = mass ÷ molar mass
We know,
The molar mass of calcium = 40 gm/mol
The mass of calcium = 13.95 gms
Moles of calcium are calculated as:
Moles = 13.95 ÷ 40
= 0.348 moles
Therefore, in 13.95 gms 0.348 moles of calcium is present.
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6. How many liters of 4.0 M solution can
be made using 8.0 mol of lithium
bromide?
8.0 mol of lithium bromide
4 M solution of lithium bromide requires 4 moles of the compound per liter
8 ÷ 4 = 2
answer is 2 Liters
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Write a conversion factor that converts between moles of calcium ions in calcium phosphide, Ca3P2, and moles of Ca3P2.
The conversion factor between moles of calcium ion and moles of [tex]Ca_3P_2[/tex] in [tex]Ca_3P_2[/tex] would be 3 to 1.
Mole fraction[tex]Ca_3P_2[/tex] if formed from 3 carbon atoms and 3 phosphate atoms according to the equation:
[tex]3Ca + 2P --- > Ca_3P_2[/tex]
Thus, there are 3 moles of calcium in every 1 mole of [tex]Ca_3P_2[/tex].
The conversion factor between moles of calcium and moles of [tex]Ca_3P_2[/tex] will. therefore, be 3 to 1 or simply 3:1.
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(b) Washing soda crystals react with acid to give off carbon dioxide.
If you added some washing soda crystals to vinegar,
what would you see happening?
How many moles would be present in 9.54x 1023 molecules of ammonia?
Avogadro's law states that in every mole of a substance, there are [tex]6.022 \times 10^{23}[/tex] particles.
This means that in [tex]9.54 \times 10^{23}[/tex] molecules, there are [tex]\frac{9.54 \times 10^{23}}{6.022 \times 10^{23}}=\boxed{1.58 \text{ moles (to 3 sf)}}[/tex]
what are all the ways that you think knowing about the flow of energy might be useful in
thinking about the chemistry of Climate Change.
Yes the main benifit can be recyclation of energy
The example can be seen in powerbanks or invertersThe chemical energy present inside the battery can be used to convert itself into electric energy.Which can help us in climate protectionwhat force of attraction holds ionic compounds together
Answer:
electrostatic force
Explanation:
# 20 of Equilibrium
At 1500°C the system:
2NO(g)
N₂(g) + O₂(g) was allowed to come to equilibrium. The equilibrium concentrations were:
NO(g) = 0.0021 M; N₂ = O₂ = 0.239 M.
What is the value of Ke at this temperature?
Select one:
O a.
27.2
O b.
7.7 x 10-5
O c.
3.7 x 10-²
d.
1.3 x 104
O e. 8.8 x 10-3
Answer:
# 20 of Equilibrium
At 1500°C the system:
2NO(g)
N₂(g) + O₂(g) was allowed to come to equilibrium. The equilibrium concentrations were:
NO(g) = 0.0021 M; N₂ = O₂ = 0.239 M.
What is the value of Ke at this temperature?
Select one:
O a.
27.2
O b.
7.7 x 10-5
O c.
3.7 x 10-²
d.
1.3 x 104
O e. 8.8 x 10-3
Explanation:
# 20 of Equilibrium
At 1500°C the system:
2NO(g)
N₂(g) + O₂(g) was allowed to come to equilibrium. The equilibrium concentrations were:
NO(g) = 0.0021 M; N₂ = O₂ = 0.239 M.
What is the value of Ke at this temperature?
Select one:
O a.
27.2
O b.
7.7 x 10-5
O c.
3.7 x 10-²
d.
1.3 x 104
O e. 8.8 x 10-3
Which one is one pkease?
[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]
The Correct choice is D. Fe + S = FeS
because, in nature Iron (Fe) and Sulphur (S) are found in mono - Atomic form. so, There will be 1 Fe atom reacting with 1 S atom to form FeS (Iron sulphide)
100 POINTS! HELP ME IF YOU LOVE JESUS!
A solution contains 150 g of water and 55 g of sodium chloride is at 80℃. Will all of the salt be dissolved into the water? Mathematically explain your answer.
Equilibrium Constant Calculation
For the reaction A(g) + B(g) 2 C(g) the following equilibrium concentrations were found:
[A(g)] = 0.232 mol/L
[B(g)] = 0.251 mol/L
[C(g)] = 0.750 mol/L
Calculate the value of the equilibrium constant Ke. Give 3 significant figures in your answer.
The value of the equilibrium constant, Ke given the data from the question is 9.660
What is equilibrium constant?Equilibrium constant for a given is defined as the concentration of the products raised to their coefficient to the concentration of the reactants raised to their coefficient
For example:
eB <=> cD
The equilibrium constant for the reaction above is given as
Ke = [D]^c / [B]^e
How to determine the equilibrium constantThe following data were obtained from the question:
A(g) + B(g) <=> 2C(g)[A(g)] = 0.232 mol/L[B(g)] = 0.251 mol/L[C(g)] = 0.750 mol/LEquilibrium constant (Ke) =?The equilibrium constant for the reaction reaction can be obtained as follow
Ke = [C]² / [A][B]
Ke = [0.75]² / [0.232][0.251]
Ke = 9.660
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Which inner planet has 2 moons? Question 2 options: Mercury Venus Earth Mars
Answer:
Mars
Explanation:
neither Mercury nor Venus have any moons at all, Earth has one and Mars has its two small moons
What’s the solution to this
what are the characteristics of binding energy
Explanation:
binding energy, amount of energy required to separate a particle from a system of particles or to disperse all the particles of the system. Binding energy is especially applicable to subatomic particles in atomic nuclei, to electrons bound to nuclei in atoms, and to atoms and ions bound together in crystals.
Indicate whether solutions of the following salts would be acidic, basic, or pH-neutral.
a. NaNO3
b. Ba(C2H3O2)2
C. CH3NH3Cl
4. C6H5NH3CHO2
e. CoBr3
Answer is NH4NO3
YOU HAVE WRITTEN WRONG IN OPTION NO. A
EXPLANATION
How many grams of Copper are in 500grams of Cu2CO3?
Answer:
≈170.22 [gr].
Explanation:
1) M(Cu₂CO₃)=2*64+12+3*16=188 [gr/mol];
2) the part of copper in Cu₂CO₃ is:
[tex]\frac{64}{188} =\frac{16}{47};[/tex]
3) 16/47% of 500 [gr] is:
[tex]500*\frac{16}{47}=170.22[gr].[/tex]
Determine the oxidation number if each atom in the following compunds: sodium chloride and iron(||) oxide.
Explanation:
see the picture for the answer
soil? Which organism in the tundra food chain would use this recycled matter?
of organisms and animal wastes.
A model of a shopping centre is drawn to scale where 1 cm on the model represent 4 m on the ground. Music shop Thabo's Sports Ware Fati's Clothing shop Grocery store PARKING Coffee shop Toilets Restaurant Shoe store Physiotherapy Health and Fitness center 1.1 Which shop is on the right of the physiotherapy? (2) 1.2 Describe the position of the Coffee Shop in relation to the Toilets. (2)
What is the engine piston displacement in liters of an engine who’s displacement is listed as 430 in.²
For an engine whose displacement is listed as 430 in.², the engine piston displacement in liters is mathematically given as
PD= 7.37 L
What is the engine piston displacement in liters of an engine whose displacement is listed as 430 in.²?
Generally, the equation for the dimensional analysis method,\, we convert in to L is mathematically given as
l*(v/l)*l/v
Therefore, piston displacement
PD=(450 in3) . (1 dm3 / 61.024 in3) . (1 L / 1 dm3)
PD= 7.37 L
In conclusion, piston displacement
PD= 7.37 L
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2.0 moles of H3PO4 equals how many atoms of O
Considering the definition of compound, chemical formula and Avogadro's Number, there are 4.8184×10²⁴ atoms of O in 2 moles of H₃PO₄.
What is compound and chemical formulaIn a compound there are atoms of different elements joined by forces that we call chemical bonds.
The chemical formula indicates the number and type of different atoms present in the molecule.
Avogadro's NumberAvogadro's Number or Avogadro's Constant is called the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance. Its value is 6.023×10²³ particles per mole. Avogadro's number applies to any substance.
Atoms of OIn this case, in 1 mole of the compound H₃PO₄ you have:
3 moles of H.1 mol of P.4 moles of O.Then, in 2 moles of H₃PO₄ you have 8 moles of O.
Now, you can apply the following rule of three: if by definition of Avogadro's number 1 mole of oxygen contains 6.023×10²³ atoms, 8 moles of oxygen contains how many oxygen atoms?
[tex]number of atoms=\frac{8 molesx6.023x10^{23}atoms }{1 mole}[/tex]
number of atoms= 4.8184×10²⁴ atoms
Finally, there are 4.8184×10²⁴ atoms of O in 2 moles of H₃PO₄.
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What would the charge on KAt be?
The overall charge of the given compound of potassium and Arsenic is zero (0).
What is the charge of an atom?
An atom consists of a positively charged nucleus, surrounded by one or more negatively charged particles called electrons. When the number of protons exceed the number of electrons, the atom will positively charged and it will be negatively charged if the number of electrons exceed the number of protons.
For the given compound;
KAs; As (Arsenic = -3) + K (potassium = +3)KAs overall charge = -3 + 3 = 0Thus, the overall charge of the given compound of potassium and Arsenic is zero (0).
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