Answer:
Is a nonrenewable resource
Explanation:
"The fuel for fusion reactors can be drawn from sea water in an almost unlimited supply. The fuel for fission, on the other hand, comes from a limited supply of uranium. Once it is depleted, it cannot be easily replenished. For this reason, nuclear power is considered a nonrenewable resource."
I got this source from ODY
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Have a nice day
Answer:
is a nonrenewable resource
Explanation:
What is the pow of a solution that has a hydroxide ion concentration of 4.82 x 10-6 M?
Answer:
pOH = 5.32
Explanation:
What is the pOH...
The pOH of a solution is defined as:
-log [OH⁻] The -log of hydroxide ion concentration in molarity units
It is used to find pH of a solution because: pH = 14-pOH
Thus, the pOH of the solution of the problem is:
pOH = -log [OH⁻] = -log [4.82x10⁻⁶M]
pOH = 5.32
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Answer:The FitnessGram PACER Test is a multistage aerobic capacity test that progressively gets more difficult as it continues. The test is used to measure a student's aerobic capacity as part of the FitnessGram assessment. Students run back and forth as many times as they can, each lap signaled by a beep sound.
Explanation:
What 2 phases of the water cycle most affect the imbalance of each of these?
Answer:
gas and leqwed
Explanation:
leqwed goes to gas
Answer: evaporation and precipitation
An unknown amount of sodium azide (NaN3) reacts and produces 0.033 moles of nitrogen gas. What mass of sodium metal is produced
Answer:
Mass of sodium metal is 130.87 gram
Explanation:
The complete reaction is
2 NaN3 --> 2 Na + 3 N2
We know that PV = nRT
n = [tex]\frac{PV}{RT}[/tex]
On substituting the given values, we get
[tex]n = \frac{\frac{99707}{101325}*75 }{0.082 *(273.15 +15)} \\n = 3.02[/tex]moles of N2
Sodium azide's molar mass
3.02 *(2/3) = 2.013 moles
Mass = 2.03 * 65.01 = 130.87 gram
Clasifica cada uno de los siguientes incisos como sustancia pura (elemento y compuesto) o mezcla (homogénea y heterogénea). Explica brevemente. (a) arroz con leche (b) agua de mar (c) magnesio (d) gasolina
Answer:
Ver explicacion
Explanation:
Un arroz con leche es una mezcla heterogénea porque está compuesto por partículas sólidas de diferentes tipos y tamaños.
El agua de mar es una mezcla homogénea de sustancias todas en la misma fase.
El magnesio es una sustancia pura y es un elemento.
La gasolina es una mezcla homogénea de sustancias comúnmente utilizadas como combustible.
Which of the following has the highest concentration?
A 1.2 M phosphoric acid
B 0.9 M phosphoric acid
C 3 M phosphoric acid
D 0.17 M phosphoric acid
What is missing from the solubility graph shown on the right? A graph with temperature in degrees Celsius ranging from 0 to 100 in units of 20 on the horizontal axis and unidentified tick marks from 0 to 300 in increments of 50 on the vertical axis. An orange line curves upward from 0, 90 through 50, 125 to 100, 245.
Answer:
graph title, label for the y axis, and legend explaining the orange and blue colors
Explanation:
GIVING BRAINLIEST
What do the arrows at point 3 indicate?
O Cool air is above water.
O Warm air is above land.
O Warm air is cooling quickly.
O Cool air is warming quickly.
Answer:
D) Cool air is warming quickly.
Explanation:
d is the answer.
The arrows at point 3 indicates that Warm air is cooling quickly and the correct option is option C.
What is Sea Breeze?Sea breeze is a blowing breeze from sea towards land during the day is called sea breeze.
During the day, the land surface heats up faster than the water surface.
Therefore, the air above the land is warmer than the air above the ocean.
As a result, warm air rises. Therefore, the warmer air over the land surface is rising.
As the warm air over the land is rising, the cooler air over the ocean is flowing over the land surface to replace the rising warm air
Therefore, The arrows at point 3 indicates that Warm air is cooling quickly and the correct option is option C.
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Please help me find the answer , thank you.
Answer:
the answeer is definitely silicon.
pls help will give brainliest
the outermost "layer..............
Answer:
Thin
Explanation:
Dry, hard rock from deep within the earth reacts with water and oxygen on the surface and creates new kinds of minerals
A gas occupies 10.2 L at 0.986 atm. What is the pressure if the volume increases to 16.0 L?
Answer:
0.629 atm
Explanation:
P1V1 = P2V2
P1 = 0.986 atm
V1 = 10.2 L
P2 = ?
V2 = 16.0 L
Solve for P2 --> P2 = P1V1/V2
P2 = (0.986 atm)(10.2 L) / (16.0 L) = 0.629 atm
HURRY WILL GIVE BRAINLIETS How are proteins and nucleic acids related? They both provide energy. They both carry genetic information. The structure of proteins is determined by nucleic acids. The subunits of nucleic acids are also the subunits of proteins.
Answer: the answer is “C”
Explanation:
Took the T E S T
Which of the following statements correctly describes what happens in all chemical reactions?
Answer:
Bonds between atoms are broken/ or new bonds are formed
Explanation:
Due to chemical changes.
You and your Canadian pen pal enjoy talking about nature together. While your friend describes some birds that she saw today, you realize that one of the birds she described sounds like one you have seen in your home state of Indiana. You remember that all organisms have common and scientific names. Which would be most appropriate to use to confirm with your friend? (1 point) O You should use the bird's common name since it is easier to pronounce than the scientific name. You should use the scientific name because it is local to North America. O You should use the bird's scientific name since that name is the same everywhere in the world. You should use the bird's common name since it is based on the bird's characteristics. he
Answer:
you should use the scientific name because it is the same everywhere in the world
Explanation:
the scientific name of anything and everything is the same around the world.
Two reactant particles collide with proper orientation. The collision will be effective if the particles have
(A) sufficient potential energy
(B) high activation energy
(C) high ionization energy
(D) sufficient kinetic energy
And explain why, and answer in brainly
The collision will be effective if the particles have sufficient kinetic energy (Option D).
Kinetic energy is motion energy, conversely to potential energy.Kinetic energy is required to produce the collision between particles.The more kinetic energy the particles have, then the more collision will occur, thereby it increases the rate of a chemical reaction.In conclusion, the collision will be effective if the particles have sufficient kinetic energy (Option D).
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I have 130 L of gas in a piston at a temperature of 250°C. If I cool the gas
until the volume decreases to 85 L, what will the temperature of the gas be?
This is a Charles' Law problem: V1/T1 = V2/T2. As the temperature of a fixed mass of gas decreases at a constant pressure, the volume of the gas should also decrease proportionally. Here, we are given the new volume of the gas after cooling, and we want to determine to what temperature the gas was cooled.
To use Charles' Law, the temperature must be in Kelvin (x °C = x + 273.15 K). We want to solve Charles' Law for T2, which we can obtain by rearranging the equation into T2 = V2T1/V1. Given V1 = 130 L, T1 = 250 °C (523.15 K), and V2 = 85 L:
T2 = (85 L)(523.15 K)/(130 L) = 342 K or 68.9 °C. If sig figs are to be considered, since all the values in the question are given to two sig figs, the answer to two sig figs would be either 340 K or 69 °C.
Gases show great uniformity in their behaviour irrespective of their nature. The concept Charles's law is used here to determine the new temperature of the gas. The new temperature of the gas is 341.96 K.
What is Charles's law?At constant pressure, the volume of a given mass of gas is directly proportional to the temperature on Kelvin scale. The absolute scale of temperature is introduced by the scientist Charles. The temperature at which gases supposed to have zero volume is called the absolute temperature.
Mathematically the Charles's law can be expressed as:
V = constant × T
V / T = constant
For two different gases, the equation is:
V₁ / T₁ = V₂ / T₂
T₂ = V₂T₁ / V₁
85 × 523 / 130 = 341.96 K
Thus the new temperature of the gas is 341.96 K.
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The water released by the reaction (mass = 0.00020 g) was calculated as was the
heat energy released (-9.6 x 10 kJ). Given the information you have about the 5
accelerants, see if you can determine which liquid is the accelerant under the
threshold.
1. Acetone:
C3H60+
02-
CO2 +
H20 ΔΗ =
2. Coleman Fuel:
C5H12 +
02-
CO2 +
H20 ΔΗ =
3. Ethyl alcohol
C2H60 +
02 -
CO2 +
H20 ΔΗ =
4. Mineral Spirits:
C10H22 +
02-
CO2 +
H20 AH =
5. Turpentine:
C10H16 +
02 -
CO2 +
H20 ΔΗ =
The accelerant used was
I
which is commonly found in:
Someone help me out with this brain pop ⚠️
A catalyst increases the rate of a chemical reaction by
Lowering the heat of reaction
Increasing the activation energy
Lowering the activation energy
Changing the position of equilibrium
Answer:
Lowering the activation energy
Explanation:
A catalyst does not participate in the reaction, instead it offers the reaction an alternative pathway by lowering the activation energy. This new pathway is faster and the rate of reaction is increased.
The ocean pressure at the depth of the Titanic wreck is 400 atm . Calculate the ocean pressure in kpa?
A)3.00 × 10^4 kPa
B)4.05 × 10^4 kPa
C)4.05 × 10^3 kPa
D)4.05 × 10^2 kPa
Answer:
4.05 × 10⁴ kPaExplanation:
To find the pressure in kPa we use the conversion
1 atm = 101.3 kPaIf 1 atm = 101.3 kPa
400 atm = 400 × 101.3 = 40520 kPa
Expressing it in standard form we have the final answer as
4.05 × 10⁴ kPaHope this helps you
Answer: 3.04 x 10 mm Hg
Explanation:
Which do you think has the greater total kinetic energy?
a. The molecules of the water in the teacup
b. The molecules of the water in the bathtub
Answer:
a The molecules of the water in the teacup
hope it helps
how do you rewrite 4 5/7 as an improper fraction. in steps
please don't use files they don't work
Answer:
33/7
Multiply the denominator of the fraction by the whole number.
Add this result to the numerator of the fraction
answer becomes the numerator of the improper fraction.
Explanation:
Answer:
33/7
Explanation:
1. take the fraction and multiply the denominator by 4 to get 28
2. add the numerator to that... 28+5=32
someone pls answer i will in fact give u brainliest
Answer:
d. Solid
Explanation:
It is frozen to be a glacier
Hope this helps :)
1. Write the chemical symbol for each of the following elements.
Aluminum
Beryllium
Calcium
Flourine
Neon
Nitrogen
Silicon
Silfur
2. Write the name of the element for each of the following symbols.
Ar
B
Li
Na
Fe
3. What is the atomic number for the following elements?
C
Fe
Pb
O
N
Zn
Answer:
Chemical symbol:
Aluminum:Al
Berylium: Be
Calcium: Ca
Flourine: F
Neon: Ne
Nitrogen: N
Silicon: Si
Silfur: S
Element name
Ar: Argon
B: Boron
Li: Lithium
Na: Sodium
Fe: Iron
Atomic number
C:6
Fe: 26
Pb: 82
O: 8
N: 7
Zn: 30
Answer:
aluminum- Al
beryllium- Be
calcium- Ca
flourine- F
neon- Ne
nitrogen- N
silicon- Si
sulfur- S
_____________________________________________________
Ar- argon
B- boron
Li- lithium
Na- sodium
Fe- iron
______________________________________________________
C- 6
Fe- 26
Pb- 82
O- 8
N- 7
Zn- 30
Explanation:
1. If I have 45 L of He in a balloon at 25 degrees celsius and increase the temperature of the
balloon to 55 degrees celsius, what will the new volume of the balloon be?
Use Charles' Law: V1/T1 = V2/T2. We assume the pressure and mass of the helium is constant. The units for temperature must be in Kelvin to use this equation (x °C = x + 273.15 K).
We want to solve for the new volume after the temperature is increased from 25 °C (298.15 K) to 55 °C (328.15 K). Since the volume and temperature of a gas at a constant pressure are directly proportional to each other, we should expect the new volume of the balloon to be greater than the initial 45 L.
Rearranging Charles' Law to solve for V2, we get V2 = V1T2/T1.
(45 L)(328.15 K)/(298.15 K) = 49.5 ≈ 50 L (if we're considering sig figs).
Which of the following is the best example of a symbiotic relationship?
Certain breeds of fish will often clean bigger fish. The cleaner fish gets food, the bigger fish gets a cleaning.
or
A foolish man decides to go swimming in shark-infested waters. As a result, he is bitten by a shark looking for food.
or
A pair of birds fight over a piece of food. The dominant bird wins.
or
The climate changes. As a result, hundreds of species become extinct and the land turns into a desert.
?
Answer:
Certain breeds of fish will often clean bigger fish. The cleaner fish gets food, the bigger fish gets a cleaning.
I'm not too sure.
Good luck! <3
Two out of the three domain groups include prokaryotic organisms true or false
Group of answer choices
Answer:
True, there’s Prokaryotic and Eukaryotic
Explanation:
Eukaryotic are more complex and HAVE a nucleus, Prokaryotic are less complex and don’t have a nucleus
10. Air is a homogenous mixture of gases. Oxygen is 20% by volume of air typically. What
amount of moles of oxygen is present in 20 L of air at STP?
Answer:
893 moles
Explanation:
An ideal gas at STP occupies 22.4 liters. Calculating Oxygen as if it were an ideal gas there are . 893 moles of Oxygen in 20.0 liters.
Fusion:
Requires high temperatures
Occurs in the sun and other stars
Creates less radioactive waste than fission
All of the above
Predict what happens when tin metal is placed into
a solution of nickel(II) iodide.
A. Tin(II) iodide forms
B. Tin metal dissolves
C. Nothing
D. Both a and b happen
E. Nickel is plated onto tin
Answer:
I would say A but I'm not sure
When tin metal is placed into a solution of nickel (II) iodide then nothing will occur.
What is reactivity series?Reactivity series of the metals tells about the increasing or decreasing orders of the reactivity of the metals.
According to the reactivity series, reactivity of nickel metal is more than the tin metal. So, if we add tin metal in the solution of nickel (II) iodide then no reaction occurs. Because the reactivity of tin is less as compare to nickel metal so it is not possible for tin to replace the nickel metal and get dissolve.
Hence, option (C) is correct i.e. nothing.
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