The molecules move more quickly as the temperature rises, and their kinetic energies are better equipped to overcome the forces holding them together. As a result, the viscosity of the liquid reduces.
Why and what will happen to the viscosity when the temperature rises?Because particles interact more quickly and for shorter periods of time as temperature rises, viscosity will also decrease because internal friction or stress will be reduced.
How does a fluid's viscosity change as its temperature changes?The molecules become more mobile when the temperature rises due to an increase in kinetic or thermal energy. Reduced viscosity results from a decrease in the attractive binding energy.
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4. Write word equations of
Magnesium burns in chlorine to form Magnesium Chloride
Answer:
Mg(s) + Cl₂ -------> MgCl₂
Explanation:
A. How do the following factors affect the spontaneity of a reaction?
i. Enthalpy
ii. Entropy
PLEASE HELP I LITERALLY CAN'T
What volume does 1 mol of Ar(g) occupy at 25 C and 100 kPa?
a) 24.8 L
b) 1.0 L
c) 22.4 L
d) 40.0 L
What volume is occupied by 1 mol of Cl2(g) at SATP?
a) 12.4 L
b) 11.2 L
c) 22.4 L
d) 24.8 L
The amount of volume will be (1) 23.10 L and ( 2) 22.4 L by using gas law.
What is gas law?
Gas law gave the relation between pressure, volume and temperature.
It can be expressed as:
PV = nRT.
where, P is pressure, R is gas constant and T is temperature.
Calculation of volume by using gas law.
1) Given data:
n = 1 mol
T = 25 degree C = 25 + 273 =
P = 100 kpa
Volume can be determined by the gas law.
PV = nRT
V = nRT/P
V = 1 × 8.31 × 278 / 100
V = 23.10 L
2) It is known that at STP 1 mol of any gas volume will be 22.4 L.
Therefore, the correct answer will be option (c).
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Look at the wave in the picture. If it has a wavelength of 2 cm, how far apart are points A and B? How do you know?
Answer:
picture is not there.....
Explain why, if soil on a vehicle is in a clump, care
should be taken to keep the clump intact.
Answer:
it could harbor dangerous chemicals that damage the car if released
it could be holding parts together
it could have something dangerous inside
(12) Magnesium metal burns very brightly to produce heat and a white solid.
What type of chemical reaction is taking place?
An endothermic
B exothermic
C reduction
D thermal decomposition
Answer:
exothermic
Explanation:
heat/energy is released when it burns.
Krupton (Kr) is a
A. Gas
B. Metal
C. Non of these
D. Metalloid
Answer: C. None of these
Explanation: Krypton is a noble gas, on the right side of the period table, making it a non-metal.
For the reaction So3 + H2O -> H2SO4, how many grams of sulfur trioxide are required to produce 4.00 mol of sulfuric acid
Answer:
320 grams of sulfur trioxide are required to produce 4.00 mol of sulfuric acid.
Explanation:
The balanced reaction is:
SO₃ + H₂O → H₂SO₄
By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:
SO₃: 1 moleH₂O: 1 moleH₂SO₄: 1 moleBeing the molar mass of each compound:
SO₃: 80 g/moleH₂O: 18 g/moleH₂SO₄: 98 g/moleBy reaction stoichiometry, the following mass quantities of each compound participate in the reaction:
SO₃: 1 mole* 80 g/mole= 80 gramsH₂O: 1 mole* 18 g/mole= 18 gramsH₂SO₄: 1 mole* 98 g/mole= 98 gramsThen you can apply the following rule of three: if 1 mole of sulfuric acid is produced by the reaction of 80 grams of sulfur trioxide, 4 moles of sulfuric acid is produced from how much mass of sulfur trioxide?
[tex]mass of sulfur trioxide= \frac{4 moles of sulfuric acid* 80 grams of sulfur trioxide}{1 mole of sulfuric acid }[/tex]
mass of sulfur trioxide= 320 grams
320 grams of sulfur trioxide are required to produce 4.00 mol of sulfuric acid.
The mass of the required compound is 320 grams
Chemical reactionsGiven the chemical equation expressed as:
[tex]SO_3 + H_2O \rightarrow H_2SO_4[/tex]
According to stochiometry, 1 mole of SO3 produces 1 mole of H2SO4, hence the moles of SO3 will also be 4.00moles
Determine the mass of SO3
Mass = mole * molar mass
Mass = 4.0 * [32+3(16)]
Mass = 4.0 * 80
Mass = 320 grams
The mass of the required compound is 320 grams
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What does the mole ratio represent
Answer:
A mole ratio is a conversion factor that relates the amounts in moles of any two substances in a chemical reaction
Explanation:
Help me pretty please
Answer:
Light demonstrates wave-like and particle-like characteristics
Explanation:
Light itself is a wave but under circumstance it will present particle-like charcteristics. This is called wave-particle duality :)
The Moon only emits light at night.
True
False - does not emit light at all
Answer:
It's trueeeeeee:))))))
Answer:
TRUE
Explanation:
Plate Tectonics Independent Practice,
Label The Diagram With The Correct Information.
Answer:
1st Diagram (at the left) → Mid-Atlantic Ridge
2nd Diagram (at the right) → Andes Mountains
3rd Diagram (below) → San Andreas Fault
Explanation:
I have been able to label the diagram with the correct information.
The 1st diagram at the left is the Mid-Atlantic Ridge. This is a divergent plate boundary that is found at the floor of the Atlantic Ocean. It is also seen as part of the mountain range in the world. The Mid-Atlantic Ridge also includes a deep rift valley. This rift valley runs along the axis of the ridge. This is along nearly its entire length.
The Andes Mountains is found along the Pacific Ring of Fire. It is seen in a Mesozoic–Tertiary orogenic belt of mountains. The Andes rises due to the compression of the western rim of the South American Plate. It is a result of tectonic plate processes.
San Andreas Fault is known to form the tectonic boundary which exists between the Pacific Plate and the North American Plate. The motion of the fault is right-lateral strike-slip. It divides into three segments.
What is the ratio of the number of molecules in 1 L of CO2(g) to the number of molecules in 1 L of CH4(g) at the same temperature and pressure? * 2 points 1:1 3:5 1:2 2:4
Answer:
1:1
Explanation:
Based on Avogadro's law, the volume of an ideal gas is directly proportional to the moles (Or number of molecules) presents of this gas under constant temperature.
The volume of the gas is independent to the nature of the gas
Using this law, we can change the state as:
X number of molecules of CO₂ in X number of molecules of CH₄ (Because are occupying the same volume). That means the ratio of molecules is:
1:1Help me pretty please
Answer:
The top answer
The spreading of a mechanical wave into the region behind an obstruction is called --------- what ?
Diffraction occurs whenever a portion of a wavefront is obstructed by some opaque object.
ng.
3. Connect to Technology How do probes,
including landers and rovers, improve our
ability to make observations of other planets?
s
Help pleaseee :( .....
Answer:
A
Explanation:
PLEASE Answer! Using the periodic table, predict the order of decreasing electronegativity for the elements Al, Ag, Ca, Se, and I.
AL is aluminum, last, that stuff blows up in microwaves 5
Ag is silver, 3
Ca is calsium 2
Se is a metaloid, Selenium, 4
I is Iodine- first 1
1. What is a common example of a converging mirror?
2. Where must you (the object) stand in front of a converging mirror if you want to see an upright,
virtual image of yourself? What is the size of the image compared to the object?
3. A converging mirror produces no image when the object is at
4. If the centre of curvature in a converging mirror is at 10cm, the focal point will be at
om
sorry I don't know 4one
i HOPE IT'S HELP
Compare the drops of wax that harden in hot water and Cold water.
Answer: They are are simular because when the wax cools down its not hot or it cools down it is the same with hot water it cools after along while.
Explanation:
A single atom is in a balanced electrical state.
It has the same number of which pair of particle types?
electrons and neutrons
protons and electrons
neutrons and isotopes
protons and neutrons
Most large mountains are the result of a(n)?
River
Volcano
Earthquake
Hurricane
Answer:
C.) Earthquake
Explanation:
Most mountains occur due to the movement of tectonic plates. They slowly push into each other, and the earth's crust rises over time forming mountains.
Earthquakes occur due to the shift of tectonic plates. It sends seismic waves throughout the earth's crust, and causes the ground to shake temporarily.
Microorganisms have a major role in maintaining soil biodiversity. They recycle nutrients in ecosystems and decompose organic matter in soil. Organic matter contains dead and living plant and animal materials. Microorganisms convert these materials into simpler compounds that maintain soil quality and help with plant growth.
Which solution could best help to restore or increase microorganisms and soil biodiversity?
A.
adding manure or compost to the soil
B.
spraying chemical weed-killers and fertilizers on the soil
C.
removing all ground-covering plants from the soil
D.
adding sewage containing synthetic materials to the soil
Answer:
A i think
Explanation:
The solution that could best help to restore or increase microorganisms and soil biodiversity is adding manure or compost to the soil.
What are microorganisms?A microorganism, or microbe, is an organism of microscopic size, which may exist in its single-celled form or as a colony of cells. The possible existence of unseen microbial life was suspected from ancient times, such as in Jain scriptures from sixth century BC India.
“Microorganisms are minute organisms that are invisible to the normal eye.” Microorganisms are so small that they can only be seen under a microscope. These include a huge range of organisms such as bacteria, viruses, fungi, algae, protozoa, etc.
Given options are-
A. adding manure or compost to the soil
B. spraying chemical weed-killers and fertilizers on the soil
C. removing all ground-covering plants from the soil
D. adding sewage containing synthetic materials to the soil
Therefore, The solution that could best help to restore or increase microorganisms and soil biodiversity is adding manure or compost to the soil.
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Convert 160g to mg.
Answer:
160 grams is equal to 160,000 milligrams.
Explanation:
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Hope it helps!
Answer:
1g=1000mg
160g=160000
Help me pretty please
balance : _ Na + _ H2O
Answer:
2, 2
Explanation
If yeast is given more sugar will they undergo more
cellular respiration than yeast that is given less sugar?
Answer:
True
Explanation:
Cellular respiration is a metabolic pathway that allows cells to take apart food molecules and use their atoms as an energy source. This pathway takes electrons from food molecules and transfers them to oxygen, has energy transferred to ATP and arranges molecules into water, carbon dioxide and waste.
why is conventional solar electricity is so expensive to generate??
Answer:
Most solar cells are made from silicon—the same semiconductor material that is at the heart of computers. The cells are expensive to produce because it takes a great deal of energy to purify the silicon.
which of the following describes the properties of a substance?
A. how it reacts with other chemicals.
B. how it behaves.
C. all of these.
D. how it looks
A student suggests that the colorless liquid collected in the U‐tube is water.
Describe how to test the colorless liquid to show it contains water.
Answer:
How would you confirm that a colourless liquid given to you is pure water? A very easy solution is to take a sample of the colourless liquid and put it on the stove if it starts boiling exactly at 100 ºC then it is pure water. Any other colourless liquid such as vinegar always has a different boiling point.