The ability for a substance to flow is fluidity.
Which substances show flowing?Only liquid and gaseous substances have the ability to flow from one point to other as they have weak intermolecular force in it.
Fluidity is the quantity which gives idea about the ability of that substance to flow. At normal conditions at room temperature, any substance has the tendency to distort its shape in order to flow or take the shape of the container it is enclosed in.
Hence the ability for a substance to flow is fluidity.
To know more about fluidity, visit the below link:
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teachers instructions - “ clear my examples and replace with your own words “ you get brainliest if I get good grade :)
Answer:
can you give me more clearence on what is going on
Explanation:
ANSWER ASAP Which part of the picture shows evidence of matter scattering light waves in
many different directions?
O A. The color of the tree appears black against the sky.
O B. The image of the moon in the sky is incomplete.
OC. The image of the moon on the water's surface is distorted.
OD. The colors on the water's surface match the colors in the sky.
Answer:
The evidence of matter scattering light wave in many different directions is;
D. The colors on the water's surface match the colors in the sky
Explanation:
Light scattering is used to describe the sending of a given beam of light in many directions (by tiny particles) when the light passes through a medium, due to the disruption of the bath of the light ray as it bumps into the tiny particles
Water has the nature of absorbing the red light. The light that enters the water is scattered by the tiny particles in the water such that the blue light which is the spectrum of light water allows to pass through is reflected along with the reflection of the sky and the colors of the water surface match the colors of the sky.
Answer:
C.
Explanation:
I took the quiz
HELP!!! ASAP!!!! WILL MARK BRAINLIEST!!!!
A certain covalent compound contains sulfur bonded to chlorine. Which of the following statements about this compound is correct?
Question 5 options:
A)
Electrons will reside closer to sulfur, and the bond will be non-polar.
B)
Electrons will reside closer to sulfur, and the bond will be polar.
C)
Electrons will reside closer to chlorine, and the bond will be polar.
D)
Electrons will reside closer to chlorine, and the bond will be non-polar.
Answer:
C) Electrons will reside closer to chlorine, and the bond will be polar
Explanation:
Electrons tend to be closer or attracted to high electronegativity and sulfur has less electronegativity than chlorine. Therefore, electrons will reside closer to chlorine. To find out if it is polar or nonpolar, according to the electronegativity chart you can find online, you can see that the electronegativity of sulfur is 2.5 while the electronegativity of chlorine is 3.0. Because the difference between these two is a slight change, it would be slightly polar. So, the bond will be polar.
Answer:
Electrons will reside closer to chlorine, and the bond will be polar.
Explanation:
what element has three valence electrons in the second energy level.
Answer:
Boron
Explanation:
Hope that helps
Answer:
Boron.
Explanation:
2 energy shells
1st energy she'll 2 electrons
2nd energy shell 3 electrons
Density can be calculated by dividing an object's mass by its volume. If the mass of an object is 10 grams and its volume is 2 milliliters, what is its density?
Explanation:
mass =10g. volume=2ml. density=mass/volume = 10/2=5kg/m^3Answer:
5 g/mL
Explanation:
So, if the mass is 10 g and the volume is 2 mL, the density equals...
10 g ÷ 2 mL = 5 g/mL
Metals tend to — electrons and nonmetals tend to —
Electrons
Answer:
Non-metals tend to gain electrons to attain Noble Gas configurations. The have relatively high Electron affinities and high Ionization energies. Metals tend to lose electrons and non-metals tend to gain electrons, so in reactions involving these two groups, there is electron transfer from the metal to the non-metal.
If you discover a new element, how would you know where it should go on the periodic table
Answer:
the atomic number
Explanation:
it would be in the upper corner
scientific notation, fill in the blank.
7.95x10^7 = [ ? ]x 10^6
Answer:
79.5
Explanation:
7.95x10^7 IS 79500000.
If you bring the decimal point left 6 more times it would be 79.500000
8. __H2 + __O2-> __H2O
9. __K2SO4 + __H2-> __H2SO4 + __K
10. __NO2 + __H2O-> __HNO3 + __NO
Anser:
Explanation:
hope this helps
2C3H7OH + 9O2 --> 6CO2 + 8H2O
Determine the number of grams of CO2 produced from the reaction of 5.55 moles of C3H7OH?
a
1466 g
b
16.7 g
c
367 g
d
12.2 g
e
733 g
Please show work
Answer 12.2g is the answer
when 45mL of 0.25mol/L sulfuric acid is mixed w/ 25mL of 0.58mol/L Calcium hydroxide, the solution has a?
If the length, width, and height of a box are 9.50 cm, 6.75 cm and 3.50 cm, respectively, what is the volume of the box in units of milliliters and liters?
(a) How many mL will the box contain?
(b) How many L will the box contain?
Answer: 1cm³= 1mL
Explanation:
Help please I need it!
State and explain each law of motion.
Answer:In the first law, an object will not change its motion unless a force acts on it. In the second law, the force on an object is equal to its mass times its acceleration. In the third law, when two objects interact, they apply forces to each other of equal magnitude and opposite direction
Explanation:
Answer:
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Explanation:
e
Carbon Monoxide is a toxic gas that is colorless and tasteless. How many moles of CO are in 1 L of the gas at STP?
28 moles
0.045 moles
22.4 moles
0.224 moles
Answer:
0.045 moles
Explanation:
Given data:
Moles of CO = ?
Volume of gas = 1 L
Temperature and pressure = standard
Solution:
The given problem will be solve by using general gas equation,
PV = nRT
P= Pressure
V = volume
n = number of moles
R = general gas constant = 0.0821 atm.L/ mol.K
T = temperature in kelvin
n = PV/RT
n = 1 atm× 1L / 0.0821 atm.L/mol.K × 273 K
n = 1 atm.L / 22.41 atm.L/mol
n = 0.045 mol
PLEEEASSEEEE HELPPPPP!!!!!Take some time to research a utility plant. If there is one in your area, you may even visit it.
Otherwise, look up a type of plant that produces energy - such as a nuclear power plant, a
hydroelectric plant, or a coal-burning plant. Find out what energy resources are brought into the
plant. Then find out what energy and what "waste" is produced by the plant. Describe how the
two Laws of Thermodynamics apply to what you find out in your research. Be thorough. You will
be using the information you gather to engage in a debate with your class about
thermodynamics.
Answer:
There are four laws of thermodynamics that define fundamental physical quantities (temperature, energy, and entropy) and that characterize thermodynamic systems at thermal equilibrium.
Explanation:
which rock is the result of changes on the Earth's surface?
igneous rock
sedimentary rock
metamorphic rock
Answer:
metamorphic
Explanation:
when one rock changes another rock the rock that got changed is now metamorphic
What are two types of matter are pure substances
Answer:
Elements and compounds are two types of pure substances.
Explanation:
Please help
mg(oh)2
How many H atoms are there?
How many Mg?
What is the total number of atoms?
Answer:
There are 2 hydrogen atoms, one magnesium atom, and 5 atoms in total.
Explanation:
We are given a compound in formula form. To make things easier to understand, we can first convert this to the name of the compound.
When a compound contains one or more elements in parentheses, these are usually a polyatomic ion. Polyatomic ions are ions made up of two or more elements with a positive or negative charge over the entire ion. Commons examples of these NH₄⁺ (ammonia) and HCO₃⁻ (bicarbonate). You can combine metals with polyatomic ions to create commonly known compounds, such as baking soda. The chemical name for baking soda is sodium bicarbonate, so we can combine Na (sodium) with HCO₃⁻ (bicarbonate) and create sodium bicarbonate: NaHCO₃.This compound is one magnesium atom bonded to two hydroxide ions.
Hydroxide is the compound between one hydrogen atom and one oxygen atom. The compound overall adopts a negative charge of 1.If we have one hydrogen atom and one oxygen atom, the most electronegative atom is written first in chemical formulas. Therefore, the symbol for Oxygen (O) goes first.Then, write in the hydrogen atom directly after the O symbol: OH.Finally, since we have a negative charge on the ion, we need to play a negative sign as a superscript for the compound. Therefore, this becomes OH⁻.Now, we need to determine the charge on the Magnesium atom which is determined from the amount of valence electrons the atom has.
On a periodic table, the symbol for Magnesium is Mg and this element has 2 valence electrons. In order to fulfill the Octet Rule, the It is more likely to give up 2 electrons to a nonmetal than it is to gain 6, so we can safely assume that the charge is ²⁺.We need to use the criss-cross technique to transfer the charges between the element and the ion, so the negative 1 charge goes to the Mg, which does not appear (negative 1 or positive 1 are implied) and since the magnesium has a charge of positive 2, this is the subscript for the hydroxide ion.Therefore, our compound becomes Mg(OH)₂, and we have labeled this as magnesium hydroxide.Now, to the number of atoms:
The new charge on Mg is 1-, so there is only one atom of Mg.The charge is 2+ on the OH ion, so there are two atoms of H and two atoms of O.Two atoms of oxygen, two atoms of hydrogen, and one atom of magnesium add up to be five atoms in total.The temperature of a city during a week was 35° C, 36°C, 34°C, 38°C, 40°C, 39°C and 44°C. What was the average daily temperature of the town for the week?
Answer:38°
Explanation:
How is chemical bonding useful to our lives?
Answer:
Three types of chemical bonds are important in human physiology, because they hold together substances that are used by the body for critical aspects of homeostasis, signaling, and energy production, to name just a few important processes. These are ionic bonds, covalent bonds, and hydrogen bonds.
Explanation:
Why do molecules change the speed? (SELECT ONE)
Claim 1: Molecules speed up when energy is created and slow down when energy is destroyed.
Claim 2: Molecules speed up when they get energy from other molecules and slow down when they give energy to other molecules.
Answer:
Molecules speed up when they get energy from other molecules and slow down when they give energy to other molecules.
Explanation:
We know from the first law of thermodynamics that energy can not be created nor destroyed.
However, according to the kinetic molecular theory, molecules collide frequently with each other. All molecules in a substance do not possess equal energy hence some molecules are more energetic than others.
When a more energetic molecule collides with a less energetic molecule, the more energetic molecule transfers energy to the less energetic molecule. The less energetic molecule speeds up while the molecule that collided with it slows down due to energy transfer from one molecule to another.
APE X What is happening to particles of matter while a change of state is taking place?
a. They are staying at the same speed
b. They are multiplying in number
c. They are slowing down
d. They are speeding up
Answer:
a. They are staying at the same speed
Explanation:
IF CORRECT PLSPLSPLS GIVE BRAINLIEST WOULD APPRECIATE :)
Answer:
a. They are staying at the same speed
a sample of an unknown metal has a mass of 21.6g and volume of an 8.00cm3 calculate the density of the unknown metal
Answer:
2.70 g/cm³Explanation:
The density of a substance can be found by using the formula
[tex]density = \frac{mass}{volume} \\[/tex]
From the question we have
[tex]density = \frac{21.6}{8} \\ = 2.7[/tex]
We have the final answer as
2.70 g/cm³Hope this helps you
Which of the following was NOT among Democritus's ideas?
A. Matter consists of tiny particles called atoms.
B. Atoms are indivisible.
C. Atoms retain their identity in a chemical reaction.
D. Atoms are indestructible.
Answer:
pretty sure its C
Explanation:
Democritus was all about the consept f tiny indestructible partivls called atoms so C is the only one that doesn' t fit
Answer:
I'm pretty sure it's A
At about what temperature does the sample change phase? Justify your
answer based on the cooling curve shown above.
A student states, “When the alcohol sample was at a temperature of 500 K, all the particles were moving faster than any of the particles were moving at
400 K" Do you agree or disagree with this student's statement? Justify your
answer.
When sodium atoms (Na) and chlorine atoms (CT) join to make sodium chloride, or table salt, they form an ionic bond, Using this information, which pair of elements is most likely to form an ionic bond? O potassium (K) and fluorine (F) aluminum (AI) and aluminum (AD O sulfur (S) and oxygen (O) O calcium (Ca) and neon (Ne)
Answer:
D I'm pretty sure.
Explanation:
I'm taking the quiz right now and D makes the most sense.
Answer:
d
Explanation:
Please help!! This would mean so much to me!!
Answer:
I think it's the A one. Hope it's correct
Answer:
A option is correct
Explanation:
If something is up higher it will have ________________ potential energy.
the same
more
less
Answer:
More
Explanation:
Although the order of elements is based on atomic number, vertical families share similar chemical properties.
Question 12 options:
True
False WHAT IS IT
Answer:
It's true
Explanation:
Uhhh, the internet! lol.
Answer:
It's true, ExplanationVVVExplanation: Because the order of elements is based on atomic number, vertical families share similar chemical properties.