Answer:
[tex]from \: avogadros \: hypothesis \\ 1 \: mole \: of \: nitrogen \: reacts \: with \: 3 \: moles \: of \: hydrogen \\ 3 \: litres \: of \: nitrogen \: react \: with \: ( \frac{3 \times 3}{1} ) \\ 9 \: litres \: of \: hydrogen[/tex]
kaillie was talking and was distracted as she stirred sugar into her tea. when she finally noticed, there was a few crystals of sugar in the bottom of her cup that would not dissolve. what type of tea solution did kaillie?
a. unsaturated
b. saturated
c. supersaturated
d. cannot be determined
Answer:
Supersaturated
Explanation:
The tea has absorbed and dissolved as much sugar as it could. If there is sugar left at the bottom, it means the solution is supersaturated because it can't absorb any more.
What is the total volume of water that you have if you calculated that it
weighs 180g?
what are the numbers of neutrons in hydrogen
Answer:
Hydrogen has 0 neutrons.
Explanation:
You can find the # of neutrons by subtracting the Atomic Mass from the Atomic number. Hydrogen is a special case in which the atom has no neutrons.
Name and element in the 6th period that wants to lose an electron.
Answer:
donald trump
Explanation:
Consider the diagram above. If you placed a rubber duck on the
surface of the water in the middle of the pot, in which direction
would you expect the duck to move?
Answer:
But there is nothing above
Can someone please help!!??! I will mark the
brainliest to the best answer!
(25 points!)
What is the molarity of a solution with 2 moles of HCl in 2000 mL?
Answer:
"1 M" will be the right solution.
Explanation:
The given values are:
Number of moles,
= 2 moles
Volume of solution,
= 2000 mL
or,
= 2 L
Now,
The molarity of the solution will be:
= [tex]\frac{Moles}{Liters}[/tex]
On substituting the values, we get
= [tex]\frac{2}{2}[/tex]
= [tex]1 \ M[/tex]
please help me with question A and B pleaseeeeee
Answer:
♀️?sorryyyyyyyyyyyyy
(I found this meme on Pinterest)
So what if when we get reincarnated on our tomb stone should we really write R.I.P or B.R.B?
lol don't report me my I asked my TEACHER this and she is wondering the same thing so this does effect me academically.
How much does 3 moles of silica weigh
84.2565
Because
1 silica is equal to 28.0855,
times 3 is 84.2565
Sodium oxide reacts with water to make sodium hydroxide.
1. Write and balance the equation.
2. List all the mole ratios.
3. How many moles of water are needed to react with 18.4 moles of sodium oxide?
4. How many grams of sodium hydroxide are formed when 4.5 moles of sodium oxide react with excess water?
5. How many grams of water are needed to make 5.65 moles of sodium hydroxide?
6. How many grams of sodium hydroxide are formed when 23.7 g of sodium oxide react with excess water?
7. How many liters of water are required to form 93.4 g of sodium hydroxide?
Answer:
So the total mass is 50 plus 150 grams the heat capacity 4.18 joules per gram per degree C. And the temperature change is 36 minus 25 and so we can calculate Delta H for the reaction that takes place.
Explanation:
Can someone please write this in y’all’s own words please and I’ll give you branly
Answer: we can make our own water and not take any water from animal.
Explanation:
some one help me with this please
Answer:
no pics sorry. v vc. gkfgildhrmsykesetksyekuxrux
A gas occupies 450. mL 3 atm. If its volume decreases to 0.200 L then what will its new pressure be?
Assume constant temperature and mass.
Show your work.
Answer:
6.75 sym.
Explanation:
Boyle's Law: The pressure of a gas in an enclosed container with a flexible volume is inversely proportional to the volume occupied by the gas.
Empirically => P ∝ 1/V => P = k(1/V) => k = P·V
For any conditions of Pressure & Volume, Pressure x Volume is a constant.
Therefore, k₁ = k₂ => P₁V₁ = P₂V₂ => V₂ = P₁V₁ / V₂
=> V₂ = (3atm)(0.450L)/(0.200L) = 6.75 atm.
thermal conductors what
Which type of energy resource uses heat from underground to create
electricity?
A. Solar energy
B. Biomass
C. Geothermal energy
D. Nuclear energy
Identify the gas law that applies to the following scenario: A 36.5 liter balloon holding 2.9 moles of carbon dioxide leaks. If we are able to determine that 1.2
moles of carbon dioxide escaped before the container could be sealed, what is the new volume of the container?
O Boyle's Law
O Charles' Law
O Gay-Lussac's Law
Avogadro's Law
Answer:
Avogadro's Law; 15.1L
Explanation:
Boyle's Law- Pressure and volume are inversely related, so an increase in pressure= decrease in volume. We see this in the equation P1V1=P2V2.
Charle's Law- Gas expands/increases in volume when temperature increases, so they are proportional. We see this in the formula [tex]\frac{V1}{T1} = \frac{V2}{T2}[/tex].
Guy-Lussac's Law- As temperature increases, pressure increases, so they are proportional. We see this in the formula [tex]\frac{P1}{T1} = \frac{P2}{T2}[/tex].
Avogadro's Law- There are equal amount of volume have an equal amount of moles, so they are proportional. We see this in the formula [tex]\frac{V1}{n1} = \frac{V2}{n2}[/tex].
Plugging in the values based on Avogadro's Law, we'll have:
[tex]\frac{36.5}{2.9} = \frac{V2}{1.2}[/tex]
12.6 = [tex]\frac{V2}{1.2}[/tex]
12.6 x 1.2 = V2
15.1L =V2
I need help with the stuff highlighted in the blue
Answer:
CO2 + H2O = C6H12O6 + O2
or
6CO2 + 6H2O = C6H12O6 + 6O2 if it need to be balanced
Answer:
Answer is 6CO2 + 6H20 + (energy) → C6H12O6 + 6O2
Explanation:
25 Which factor causes global wind patterns?
A changes in the distance between Earth and the Moon
B unequal heating of Earth's surface by the Sun
C daily changes in the tilt of Earth's axis
D rapid rotation of the Sun on its axis
Answer:
B
Explanation:
Which might cause someone to be exempt from soccer practice? *
a. an injury
b. a previous absence
Answer:
injury
Explanation:
because get hurt we can say injury
What do electrochemical cells use to generate electricity?
Answer:
flow of electrons
Explanation:
took the quiz
If you have 0.50 L of 0.45 M sodium bromide. How many grams of sodium bromide are present?
Answer:
23.175g
Explanation:
0.45 mole of NaBr is in 1 liter
? moles of NaBr is in 0.50 liter
0.50 × 0.45 = 0.225 of NaBr
1 mole of NaBr = 23 + 80 = 103g
0.225 moles of NaBr = ?
0.225 × 103 = 23.175g
IS ANYONE GOOD AT CHEMISTRY?! i need help please lol
Answer:
I'm ok at it.
Explanation:
I can try to help if you need anything:)
Antimony sulfide+hydrogen chloride—>
Answer:
Sb2S3 + 6HCl ⇆ 2SbCl3 + 3H2S
Explanation:
When first mixed, concrete can be described as (Blank)
, which means it can take the shape
of the formwork provided.
are the smallest units of life. A. Bugs B. Eggs C. Bones D. Cells
Help mee please!!
Gas is confined in a metal tank in the figure. At 20.20°C, the gas exerts a pressure of 8.532 atm.
After heating the tank, the pressure of the gas increases to 10.406 atm. What is the temperature of
the heated gas?
Answer:
The temperature of the heated gas is 357.6 K (or 84.6 C)
Explanation:
Gay Lussac's law indicates that, as long as the volume of the container containing the gas is constant, as the temperature increases, the gas molecules move faster. Then the number of collisions with the walls increases, that is, the pressure increases. That is, the pressure of the gas is directly proportional to its temperature.
In short, when there is a constant volume, as the temperature increases, the pressure of the gas increases. And when the temperature is decreased, the pressure of the gas decreases.
So, this law indicates that the quotient between pressure and temperature is constant:
[tex]\frac{P}{T} =k[/tex]
You want to study two different states, an initial state 1 and a final state 2. Then it is true:
[tex]\frac{P1}{T1} =\frac{P2}{T2}[/tex]
In this case:
P1= 8.532 atmT1= 20.20 C= 293.2 K (being 0 C= 273 K)P2= 10.406 atmT2= ?Replacing:
[tex]\frac{8.532 atm}{293.2 K} =\frac{10.406 atm}{T2}[/tex]
Solving:
[tex]T2*\frac{8.532 atm}{293.2 K} =10.406 atm[/tex]
[tex]T2=10.406 atm*\frac{293.2 K}{8.532 atm}[/tex]
T2= 357.6 K
The temperature of the heated gas is 357.6 K (or 84.6 C)
The new temperature of the heated gas when the pressure increase to 10.406 atm is 84.60 °C
Data obtained from the question Initial temperature (T₁) = 20.20°C = 20.20 + 273 = 293.20 KInitial pressure (P₁) = 8.532 atm Volume = constant New pressure (P₂) = 10.406 atmNew temperature (T₂) =? How to determine the new temperatureThe new temperature of the gas can be obtained by using the combined gas equation as illustrated below:
P₁V₁ / T₁ = P₂V₂ / T₂
Since the volume is constant, we have:
P₁ / T₁ = P₂ / T₂
8.532 / 293.20 = 10.406 / T₂
Cross multiply
8.532 × T₂ = 293.20 × 10.406
Divide both side by 8.532
T₂ = (293.20 × 10.406) / 8.532
T₂ = 357.6 K
Subtract 273 from 357.6 K to express in degree celsius
T₂ = 357.6 – 273
T₂ = 84.60 °C
Learn more about gas laws:
https://brainly.com/question/6844441
On a certain map, every 1 cm represents 10 km on Earth's surface. Which
ratio represents the scale of the map, which shows how the map
measurements compare to actual ones on Earth's surface?
A. 1:1,000,000
B. 1:1,000
C. 1,000,000:1
D. 1:10
Which substance does not require oxygen in order to produce energy?
Answer:
fermentation
Explanation:
fermenting does not require oxygen as a way to produce energy
Diamond has a hardness of 10 and chalk a harness of 1. Explain what this means.
Answer:
they have different forces holding the atoms together
Explanation:
diamond has a strong convalent bond holding the particles together while chalk has weak van der waals forces holding the particles together hence the diffrence in hardness