Answer:
Gay-Lussac's law.
Explanation:
According to Gay-Lussac's pressure law, it states that the pressure of a given mass of gas is directly proportional to the absolute temperature of the gas, the assumption that the volume is kept constant.
Hence, the trucker's tires were blown up because they were under high pressure as he drove from New Jersey to California, as a result of this intense pressure the temperature of the air in the tires began to rise and it directly affected the pressure of the gas in the tires' tubes which also increased to a point that they ended up blowing out, obeying Gay-Lussac's law.
Someone please help me I got a few minutes
Answer:
30 feet /second
Explanation:
60 feet/ 2 sec = 30 feet/sec
Answer:
30 feet/sec
Explanation:
Average speed = distance / time (distance divided by time)
Average speed = 60 feet / 2 seconds
Average speed = 30 feet/sec
So the anverage speed is 30 feet per second
HOPE IT HELPED
The electron configuration of an element is 1s^ 2 2s^ 2 2p^ 2 How many valence electrons does the clement have? (1 point )
Answer:
:)
Explanation:
which element would have properties most like arsenic (As)? Te Ge P Se
Answer:
P
Explanation:
Which energy transformation occurs after a skydiver reaches terminal velocity?
O Gravitational potential energy transforms into thermal energy.
O Gravitational potential energy transforms into kinetic energy.
O Kinetic energy transforms into thermal energy.
O Kinetic energy transforms into gravitational potential energy.
Answer::
*Gravitational potential energy transforms into thermal energy.*
O Gravitational potential energy transforms into kinetic energy.
O Gravitational potential energy transforms into thermal energy.
When a skydiver jumps out of a plane, the following energy transfers take place: the skydiver's gravitational potential energy decreases as his altitude decreases and his kinetic energy store increases as his speed increases.When a skydiver jumps out of a plane, the following energy transfers take place: the skydiver's kinetic energy store increases as their speed increases. the thermal store of the air and the skydiver increases, as there is friction between the skydiver and the air particles.In this case, both options A and B are correct.
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Please help will give brainliest
6 g/cm³
Explanation:Hi there !
density formula
d = m/V
V = 33.0ml - 25.0ml = 8.0 ml = 8 cm³
m = 48.0 g
replace
d = 48g/8cm³ = 6 g/cm³
Good luck !
emergency help ASAP Help me fill out the box please help I’ll mark you as brainlister
Answer:
based on the table, element Q participate in ionic bonding because both potassium and sodium transfers its electrons to element Q, forming ions that attract each other.
how many moles of water are in 1.23 times 10^18 water molecules
Answer:
The answer is 0.000002 molesExplanation:
To find the number of moles in a substance given it's number of entities we use the formula
[tex]n = \frac{N}{L} \\ [/tex]
where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question we have
[tex]n = \frac{1.23\times {10}^{18} }{6.02 \times {10}^{23} } \\ = 0.00002043...[/tex]
We have the final answer as
0.000002 molesHope this helps you
The process of ionic bonding is not the same as the process of metallic bonding. Which of the following statements is true
about these processes?
1. In ionic bonding, only ions of the same element combine to form a compound.
2. In metallic bonding, valence electrons can move freely between atoms.
3. Substances formed through ionic bonding are not considered compounds.
4. In metallic bonding, electrons are transferred between elements in fixed ratios.
Answer: In metallic bonding, valence electrons can move freely between atoms
Explanation:
when metals bond to one another, their outermost energy levels overlap. this allows valence electrons to move freely between atoms in what is sometimes called a “sea of electrons
The
which are represented by a single uppercase letter, or represented by an uppercase letter followed
by a lowercase letter. This tells you the types of elements in the compound.
Answer:
Elements
Explanation:
The elements which are represented by a single uppercase letter, or represented by an uppercase letter followed by a lowercase letter. This tells you the types of elements in the compound.
Elements are one of the simplest chemical substances that cannot be decomposed in a chemical reaction or by any chemical means. They are made up of small indivisible particles called atoms, all having the same number of protons.
lol someone help me with this
Answer:
Its saying how many electronics are in your house.
Explanation:
Such as a tablet or a tv.etc
Karina strikes a match to light a candle
Answer:
A burning match represents an exothermic reaction. The chemicals release energy in the form of heat and light as the reaction progresses.
Explanation:
Sample Response
Which option is an example of a chemical property?
A. boiling point
B. ability to react with oxygen
C. color
D. density
Answer:
boiling point
Explanation:
Option B
Does changing the number of neutrons change the identity of the element you have built ?
Answer:
If you change the number of neutrons somehow, nothing will happen because it carry's no charge at all.
Explanation:
What type of heat transfer happens in the Inner Core?
Answer: Conduction
Explanation:
How many miles are there in 12327 feet
Explanation:
2.3346591 miles is in 12327 feet
Answer:
2.3346591Explanation:
Always remember, to convert
feet to miles, all you have to do is
divide the length by 5280 and then
you will get this much miles: 2.3346591
Hope this helps! <3
What part of the plant absorbs the most sunlight to use for making glucose?
Question 6 options:
a.Roots
b.Stem
c.Seed
d.Leaves
A ball initially at rest is dropped from a window sill 14.2 m off the ground. Find the velocity of the ball the moment it hits the ground. Round your answer to 2 decimals places.
Answer:
16.68 m/s
Explanation:
The following data were obtained from the question:
Height (h) = 14.2 m
Initial Velocity (u) = 0 m/s
Final velocity (v) =?
Thus, the velocity (v) with which the ball hit the ground can be obtained as follow:
v² = u² + 2gh
NOTE: the acceleration due to gravity (g) = 9.8 m/s²
v² = u² + 2gh
v² = 0² + 2 × 9.8 × 14.2
v² = 0 + 278.32
v² = 278.32
Take the square root of both side
v = √278.32
v = 16.68 m/s
Therefore, the velocity with which the ball hit the ground is 16.68 m/s
Which statement about the layers would they identify as correct?
What is the factor that changes the reaction rate in the following example and why:
Wine sours more slowly when stored in closed bottles.
Answer:
The factor is called a "catalyst." The wine sours more slowly when stored in closed bottles because there's no "oxygen" inside the bottle that could lead to an increase rate of decomposition.
Explanation:
Wines are naturally stored with a cork. The cork prevents oxygen from entering into the bottle. As you probably know, wines have natural bacteria which play a role in the process of fermentation. Once bacteria are introduced to oxygen, they multiply. However, in the process of fermentation, there's no oxygen present. So, once the bottle of wine is opened, it should be consumed immediately because exposing it to air will change its flavors.
A "catalyst" is a factor that affects reaction rates. Their presence hastens the time for decomposition.
how many water molecules are in a block of ice containing 0.750 mol of water (H2O)
Answer:
1.51
⋅
10
24
Explanation:
This is a pretty straightforward example of how to sue Avogadro's number to figure out the number of molecules present in a given sample.
In your case, the sample is said to contain
2.50
moles of water. Now, a mole is simply a very, very large collection of molecules. In order to have
1
mole of a molecular compound you need your sample to contain
6.022
⋅
10
23
molecules of that compound.
plz give my a brainylist
The water molecules are in a block of ice containing 0.750 mole of water. The number of water molecule is 4.52 x 10²³molecules.
What are molecules?Molecules are defined as a group of two or more atoms that together create the lowest recognizable unit into which a pure material can be separated while retaining its makeup and chemical qualities.
It can also be defined as a group of two or more atoms held together by attractive forces called as chemical bonds.
There are mainly three types of molecule.
Molecules of an atomMolecules of an compoundMolecules of an element1 mole of water molecules = 6.022 x 10²³ molecules
So, 0.750 mole of molecules = 6.022 x 10²³ x 0.750
= 4.52 x 10²³ molecules
Thus, the water molecules are in a block of ice containing 0.750 mole of water. The number of water molecule is 4.52 x 10²³molecules.
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When 150. g zinc sulfide are burned in excess oxygen, 68.5 g of zinc oxide are actually produced, along with sulfur dioxide. Determine the percent yield of zinc oxide after finding the theoretical production of zinc oxide.
**Show the balanced equation before you begin.**
%yield = 54.6%
Further explanationPercent yield is the compare of the amount of product obtained from a reaction with the amount you calculated
(theoretical)
General formula:
Percent yield = (Actual yield / theoretical yield )x 100%
Reaction
2ZnS+3O₂ ⇒ 2ZnO+2SO₂
MW ZnS = 97.474 g/mol
mol ZnS[tex]\tt \dfrac{150}{97.474}=1.54[/tex]
MW ZnO = 81.38 g/mol
mol ZnO (from mol ZnS as limiting reactant, O₂ excess)[tex]\tt \dfrac{2}{2}\times 1.54=1.54[/tex]
Actual ZnO produced[tex]\tt 1.54\times 81.38=125.33~g[/tex]
Theoretical production = 125.388
%yield[tex]\tt \dfrac{68.5}{125.33}\times 100\%=\boxed{\bold{54.6\%}}[/tex]
which of these is an element?
KBr
O2
2KCl
FeO2
Answer:
02
Explanation:
all the other options given are compounds
10 uses of water good answer
Answer:
For drinking.
For cleaning dishes.
For cooking.
for watering plants.
for washing clothes.
for bathing.
for generation of hydroelectricity.
for washing car.
making our dog bath
it helps in maintaining osmotic rate in humans
Explanation:
Hope this helps u
Crown me as brainliest
Answer:
drinking,washing clothes ,washing dishes ,cooking,watering plants,cleaning ,for generation of hydroelectricity,washing vehicles,aquatic life,bathing
Explanation:
follow me pls.
How many moles of gold, a U, are in 3.60×10^-5 G of gold?
Answer:
See Below.
Explanation:
This is a conversion problem:
Using the molar mass of Gold (given in a periodic table) which is 196.97g/mol
you have
[tex](3.60*10^-5 g) *\frac{1moles}{196.97g}[/tex]
you always arrange the equation in a way to cancel whatever you don't want (grams) and leave what you do want (moles). Here grams cancel (top and bottom), so you're left with:
[tex]\frac{(3.60*10^-5 g) *(1)}{196.97} = 1.83*10^-7[/tex] moles of Gold
How is the nuclear structure of an atom similar to the non-nuclear structure?
Answer:
It has shells of protons and neutrons.
Explanation:
The nuclear structure of an atom is similar to the non-nuclear structure because has shells of protons and neutrons.
What is an atom?An atom consists of a central nucleus that is usually surrounded by one or more electrons.
The total number of neutrons plus protons in the same both before and after the nuclear process, although the total number of protons and the total number of neutrons may be different before and after.
Hence, the nuclear structure of an atom is similar to the non-nuclear structure because has shells of protons and neutrons.
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What is true about ionic compounds?
Select all that apply.
A. Properties of the compound are different than the properties of individual atoms that make the compound.
B. Electrons are not involved in the formation of an ionic bond, since ions do not have valence electrons.
C. Electrons are not free to move.
D. They may have a positive or negative charge.
Atomic number is equal to the number of electrons in an atom?.
Answer:
true I think not sure
Explanation:
PE = mgh, solve for m
Answer:
P.E. = mgh, where m is the mass in kilograms,
Answer:
[tex]m = \frac{PE}{gh} [/tex]
Explanation:
[tex]if \: PE = mgh \\ then \to \\ m = \frac{PE}{gh} [/tex]
♨Rage♨
Forms of Energy
There are 2 categories of energy, kinetic and potential.
Answer:
okay whats the question
Explanation:
Yes you are correct. There are 2 categories of energy, kinetic and potential.
Two students are working together to build two models. Both models will represent the molecular structure of sodium bicarbonate, NaHCO3 commonly known as baking soda. The students are using toothpicks to represent bonds and jelly beans to represent atoms. Red jellybeans represent sodium atoms, white jellybeans represent hydrogen atoms, black jellybeans represent carbon atoms, and blue jelly beans represent sodium atoms, white jellybeans represent hydrogen atoms, like jellybeans our cruise and carbon atoms, and we jellybeans that is an oxygen atoms.
Identify the number of each jelly bean needed to make both models.
Answer:
Altogether for both models; two red jellybeans, two white jellybeans, two black jellybeans and six blue jellybeans.
Note: Since no specific color was stated for oxygen atoms, the answer assigns blue colored jellybeans to represent oxygen atoms.J
Explanation:
Sodium bicarbonate, NaHCO₃ is a compound composed of one atom of sodium, one atom of hydrogen, one atom of carbon and three atoms of oxygen.
Since red jellybeans represent sodium atoms, white jellybeans represent hydrogen atoms, black jellybeans represent carbon atoms and blue jellybeans represent oxygen atoms, each of the two students will require the following number of each jellybean for their model of sodium carbonate: One red jellybean, one white jellybean, one black jellybean and three blue jellybeans.
Altogether for both models; two red jellybeans, two white jellybeans, two black jellybeans and six blue jellybeans.
