Answer:
Explanation:
Potential energy builds as the coaster is going up the loop-the-loop and converts to kinetic energy on the way down and out of the loop-the-loop. The potential energy of the coaster is at its lowest and the kinetic energy is at its highest as the coaster moves in the lowest point of the loop-the- loop.
What does the little 2 in 2CO2 mean?
Answer:
it means 2 oxygen atoms in the molecule
Explanation:
How many grams of glycerine, C3H8O3, are needed to make 100. mL of 2.60 M solution?
Answer:
the mass of the glycerine needed in the given solution is 23.92 g
Explanation:
Given;
molarity of the solution (C₃H₈O₃), C = 2.60 M
Volume of the solution, V = 100 mL = 100 x 10⁻³ L = 0.1 M
The molarity of a solution is given as follows;
[tex]Molarity = \frac{amount \ of \ solute \ (moles)}{volume \ of \ solution \ (L)} \\\\amount \ of \ solute \ (moles) = Molarity \ \times volume \ of \ solution \ (L)\\\\amount \ of \ solute \ (moles) = 2.6 \times 0.1 \\\\amount \ of \ solute \ (moles) = 0.26 \ mole[/tex]
The molecular mass of the given solution;
molecular mass = (12 x 3) + (8 x 1) + (16 x 3)
molecular mass = 92 g/mol
The mass of the glycerine needed in the given solution is calculated as follows;
reacting mass = amount of solute (moles) x molecular mass (g/mol)
reacting mass = 0.26 x 92
reacting mass = 23.92 g
Therefore, the mass of the glycerine needed in the given solution is 23.92 g
Sea, sand, sky, palms – made almost all of
Answer:
sup
Explanation:
CSI blood drop I need help please I don’t find any answers in the episode
PLEASE Answer asap! What characteristics are shared by all alkali metals and alkaline earth metals?
A. They conduct electricity very well
B. They are strong and shiny
C. They form alkaline solutions when mixed with water
D. They do not react with water at all
Answer:
C
Explanation:
Mostly all of them but most likely C
Convert 544 Calories to Joule
Answer:
2276.1 Joules
Explanation
One calorie is equal to 4.184 Joules. So, 544 calories will be equal to 544*4.184=2276.1 Joules
Which sediments are carried by suspension?
Answer:
Sand and silt can be carried in suspension.
Explanation:
For example, sand and silt can be carried in suspension in river water and on reaching the sea bed deposited by sedimentation; if buried, they may eventually become sandstone and siltstone (sedimentary rocks) through lithification.
What kind of rock can be broken
down to make sand?
Answer:
sandstone
Explanation:
Sandstone is a mineral rock made of small particles.
When the volume and concentration of a base that completely neutralizes an acid is known, you can determine the concentration of the acid due to at the point of neutralization, the number of moles of acid equals the number of moles of base.
why does this happen? (btw this is describing titration) the criteria for the answer is
"Try to answer why the results occurred. If you are in chemistry, what is happening at the molecular level with bonding, electrons, etc. " WILL MARK BRAINLIEST!!!!
Answer:
30
Explanation:
what are the respective coefficients needed to balance the equation below _N2(g) + _H2(g) --> _NH3(g)
In the balanced equation, the mass of reactant is exactly equal to the mass of product. The respective coefficients needed to balance the equation is N₂(g) + 3H₂(g) ⇒ NH₃(g) .
What is balanced equation ?A chemical equation that is balanced has equal amounts of each element's atoms on both sides of the equation and conserves mass.
Because mass cannot be generated or destroyed, according to the rule of conservation of mass, a chemical equation must always be in balance.
The Law of Conservation of Mass is followed by a balanced equation. This is a crucial scientific guiding principle. Finally, a balanced equation enables us to forecast the quantity of reactants and products that will be produced. Sort of crucial if you're attempting to determine how much fuel to supply a spacecraft traveling to Mars
Thus, the balanced equation is N₂(g) + 3H₂(g) ⇒ NH₃(g) .
To learn more about balanced equation, follow the link;
https://brainly.com/question/7181548
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How many moles of CO2 are in 54.3 g of CO2 ?
Answer:
There is actually 1 mole in 54.3 g of CO2
What will happen to the Sun in approximately 5.5 billion years?
Answer:
This lifespan began roughly 4.6 billion years ago, and will continue for about another 4.5 – 5.5 billion years, when it will deplete its supply of hydrogen, helium, and collapse into a white dwarf.
Explanation:
Got this from the internet lol
help me pretty please
Answer:
If i had to take a stab at it would say C
Explanation:
Answer:
I think it might be C but not 100% sure.
Explanation:
When the object transmits all color frequencies.
Sn(IV) and Br
chemical formula
Which of the following accurately describes the orbital path of most planets in our solar system?
The orbital path is in a perfect circle.
The orbital path looks circular.
The orbital path is in a large elliptical shape.
The orbital path varies greatly from planet to planet.
How can water affect the rock cycle?
Water can cause rocks to break into sediments through mechanical weathering.
Water can cause rocks to be buried deep underground.
Water can cause rocks to melt.
Water can causer rocks to break into sediments through chemical weathering.
Answer:
b
Explanation:
b because it's a physical change
Of the following elements ____ can form a rare +4 ion *
a) Aluminum
b) Lead
c) Krypton
d) Uranium
Answer:
d is the answer.........
A scientist is designing a device that will kill harmful cells in the human body using high-energy waves. Which type of wave would be most effective
А
X-rays would be the best choice because they have a long wavelength and a low frequency
accomplishing this goal?
B
Radio waves would be the best choice because they have a long wavelength and a low frequency
Gamma rays would be the best choice because they have a short wavelength and a high frequency
D
Infrared waves would be the best choice because they have a short wavelength and a high frequency
C2021 Illuminate Education Inc.
Tin
Type here to search
O
BH
Answer:
gamma rays
Explanation:
gamma Ray's have the highest frequency
If you start with 13 mole H2O and 50 grams of O2 what is the percent yield of H202 if 100 grams of H202 is actually made?
Answer:
94.1 %
Explanation:
We firstly determine the equation:
2H₂O + O₂ → 2H₂O₂
2 moles of water react to 1 mol of oxygen in order to produce 2 moles of oxygen peroxide.
We convert the mass of oxygen to moles:50 g . 1mol /32g = 1.56 mol
Certainly oxygen is the limiting reactant.
2 moles of water react to 1 mol of oxygen.
13 moles of water may react to 13/2 = 6.5 moles. (And we only have 1.56)
As we determine the limiting reactant we continue to the products:
1 mol of O₂ can produce 2 moles of H₂O₂
Then 1.56 moles of O₂ will produce (1.56 . 2) = 3.125 moles
We convert the moles to mass: 3.125 mol . 34 g/mol= 106.25 g
That's the 100% yield or it can be called theoretical yield.
Percent yield = (Yield produced / Theoretical yield) . 100
(100g / 106.25 g) . 100 = 94.1 %
Bloc ate 1 craft craft had 3 crafts. How much crafts are there?
why is pluto classified as a dwarf planet?
Answer:
pluto is considered a dwarf planet because it did not meet the three criteria the IAU uses to define a full sized planet
Explanation:
A sample of unknown gas has a temperature of 378k. When the temperature is increased to 546k,the volume also increases to 1047 ml. What was the original volume ?
Given :
A sample of unknown gas has a temperature of 378 K.
[tex]T_i = 378 \ K , \ T_f = 546 \ K[/tex]
When the temperature is increased to 546 K, the volume also increases to 1047 ml.
[tex]V_f - V_i = 1047 \ ml[/tex]
Solution :
We know, temperature is directly proportional to volume.
[tex]\dfrac{T_i}{T_f}=\dfrac{V_i}{V_f}\\\\\dfrac{T_i}{T_f} = \dfrac{V_i}{1047 + V_i}\\\\\dfrac{V_i}{1047+V_i}=\dfrac{378}{546}\\\\546V_i = 378V_i + 378\times 1047\\\\168V_i = 3,95,766\\\\V_i = 2,355.75\ ml[/tex]
Therefore, the original volume is 2.355.75 ml.
What causes the expression of a recessive trait? one dominant and one recessive factor (allele) one dominant gene two recessive factors (alleles) two dominant factors (alleles)
Answer: i think it’s two recessive alleles
Explanation:
Answer:Two recessive alleles is correct
Explanation:
I TOOK THE TEST (k-12 student) TwT
Acid HX has a very large Ka. How will the relative amounts of H+ and HX
compare at equilibrium?
A)The concentration of H+ will be larger than HX
B)The concentration of HX will be larger than H+
C)The concentration of HX will be equal to H+
How is energy from grass passed on between animals
Answer:
its nuber 3
wdPDAPS
Explanation:
PLEASE Answer asap! Which has the largest atomic radius?
A. Lithium
B. Helium
C. Oganesson
D. Francium?
Answer:
It's D. Francium
Explanation:
Atomic radii vary in a predictable way across the periodic table. The atomic radius increases from top to bottom in a group and decreases from left to right across a period. Thus, Helium is the smallest element, and Francium is the largest.
PLEASE HELP ME ASAPPPPPPPP!!!!!!
Answer:
I think C But I can't really see it well
how acceptance of responsibility influence affective in communication
Answer:
f
Explanation:
URGENT!!! PLEASE HELP!!!
file:///home/chronos/u-83abb8ba8be89334c9d7433161c45cb8ec059a4c/MyFiles/Downloads/The_Strange_Case_of_Avogadro_Airlines.pdf
Answer:
what is your question sorry cause I don't trust hope you understandanymore feel free tell me your question you are struggling with l be glad to help you
An organism whose cell contains a nucleus.
Answer:
Eukaryotes
Explanation:
