Because it has less surface area. This can be applied to something like cooking potatoes. Cooking a larger potato will take longer than a small potato.
a chemical compound in which ions are held together in a lattice structure by ionic bonds
Answer:
Ionic compounds contain ions and are held together by the attractive forces among the oppositely charged ions
Explanation:
Common salt (sodium chloride) is one of the best-known ionic compounds. Molecular compounds contain discrete molecules, which are held together by sharing electrons (covalent bonding).
The fuel used in many disposable lighters is liquid butane, c4h10. Butane has a molecular weight of 58. 1 grams in one mole. How many carbon atoms are in 3. 50 g of butane.
Answer:The first thing you need to do is calculate the molar mass of C4H10.
Explanation:
life as we know it could not exist without water. All the chemical reactions of life occur in an aqueous solution. Water molecules are polar and are capable of forming hydrogen bonds with other polar or charged molecules. As a result, water has the following properties:
A. H2O molecules are cohesive; they form hydrogen bonds with each other.
B. H2O molecules are adhesive; they form hydrogen bonds with polar surfaces.
C. Water is a liquid at normal physiological (or body) temperatures.
D. Water has a high specific heat.
E. Water has a high heat of vaporization (energy needed to evaporate)
F. Water's greatest density occurs at 4°C
The water has the following properties H2O molecules are adhesive; they form hydrogen bonds with polar surfaces and Water is a liquid at normal physiological (or body) temperatures because of polarization.
What is polarization?The polarization is a property by which a chemical compound shows the dipole into its nature as one element can attract the electron and attends the partial negative charge and other is electron donating and attends the partial positive charge.
In water molecule it have the tendency to accept the electron because of oxygen electronegativity and can form the bond with hydrogen too as hydrogen donates the electron and behaves as adhesive molecule.
Therefore, H2O molecules are adhesive; they form hydrogen bonds with polar surfaces and Water is a liquid at normal physiological (or body) temperatures because of polarization are the properties of water.
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Which pair of atoms will form a covalent bond?
Question 7 options:
H and O
Li and I
K and Fl
Na and Cl
Answer:
h and o
Explanation:
because both are non metals
In the two-substance mixtures you have investigated so far, are there any situations where there is more than one correct answer? Explain.
this is on gizmo i don't understand it
Answer:
yourmom.com
Explanation:
Ask your mom!!!!!!!
What is the pH of a 0.02 M HCl solution?
O A
1.7
B.
2.0
3.7
O
D.
4.0
Answer:
2 is answer of this question
can someone help me with this
Answer: 5. Positive
6. Negative
9. Oxygen carbon hydrogen nitrogen
Explanation:
Which ingredients are needed to transform nadp to nadph?.
Answer:
according to online:
"Hydrogen ions are transported with the electrons along the chain of reactions. In photosystem I, the electrons are energized, and the energy is stored in molecules of NADP+. During these reactions, the NADP+ molecules are reduced by the addition of electrons. A hydrogen ion is added to NADP+ to form NADPH."
Explanation:
hope this helps!! :)
if we change the pH of a substance is this a physical change chemical change or both?
Answer:
chemical change
ExplanationC:
Why is productivity greatest near the ocean’s surface
Answer:
Sunlight penetrates the top layers of the ocean, so photosynthesis occurs there.
Explanation:
Help me please, I don't get it. Please & thank you, xoxo !
Sorry I accidentally touched it
True of False: The 8-Step Problem Solving Process was developed as an intended expansion of OODA Loop.
The 8-Step Problem Solving Process is vital to solving problems in an organized way and it's an extended form of OODA Loop. Therefore, it's logically true.
The 8-Step Problem Solving Process include the following:
Defining the problem.Clarifying the problem.Defining the goals.Identification of the root cause of the problem.Development of an action plan.Executing action plan.Evaluating the results.Continuous improvement.It should be noted that the 8-Step Problem Solving Process was developed as an intended expansion of the OODA Loop. Therefore, the statement is true.
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Convert 1.56x10^30 particles of sodium chloride to grams of sodium chloride
Answer:
I cannot tell yet
Explanation:
I don't take that class yet but ill get back to you
which type of spectra would be produced by a hydrogen lamp?
Answer: Emission spectra
The Emission spectrum can be separated into three types:
Line emission spectrum Continuous emission spectra.Band emission spectrumWhat is a Hydrogen lamp?
A gas of hydrogen atoms will create an absorption line spectrum if it is between you (telescope+spectrograph) and a continuum light source, and also an emission line spectrum if considered from a distinguishable angle.
When The emission spectrum of atomic hydrogen has been divided into several spectral sequences, with wavelengths given by the Rydberg formula.
These experimental spectral lines are due to the electron-making transitions between two energy positions in an atom.
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Which pair of objects is experiencing the greatest gravitational force?
2 kg
2 kg
A.
d = 5 m
2 kg
2 kg
B.
dolm
5 kg
skg
doim
3 kg
skg
OD
da 5 m
Answer:
c
Explanation:
If pOH of the compound equals to 2, it shows that compound is *
Strong basic
Strong acidic
Weak acidic
Weak basic
When light waves pass through solids, the speed of the wave ___________.
remains the same
decreases
increases
It woukd decrease.
I am sure its correct you can trust me becuase I took the test.
Answer:
The speed of the wave decreases.
Explanation:
When light waves do pass through a medium, any solid, liquid, or gas, the speed of the waves actually decreases. Solids are more dense than liquids, so they decrease the speed of light even more.
(I did the quiz btw!!)
A system which allows both mass and energy to flow into the surroundings is called
Answer:
An open system can exchange both energy and matter with its surroundings. The stovetop example would be an open system, because heat and water vapor can be lost to the air.
Explanation:
Which statement accurately compares these flashlights?
A. The smaller flashlight has more inertia than the larger flashlight,
so it takes less force to change the motion of the smaller
flashlight
B. The smaller flashlight has less inertia than the larger flashlight, so
it takes more force to change the motion of the smaller flashlight.
C. The smaller flashlight has less inertia than the larger flashlight, so
it takes less force to change the motion of the smaller flashlight.
D. The smaller flashlight has more inertia than the larger flashlight,
so it takes more force to change the motion of the smaller
flashlight
The small flashlight has less inertia and smaller force is required to move it.
According to Newton's first law of motion, an object will continue at rest or in its state of uniform motion unless it is acted upon by an external unbalanced force. This is also called the law of inertia.
The quantity of mass contained in a body is a measure of its inertia. The greater the mass of the body, the greater the inertia and the greater the force required to move the body.
The smaller flashlight has less inertia than the larger flashlight, so it takes less force to change the motion of the smaller flashlight.
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how can you keep a cold drink cold without ice or a refrigerator
Answer:
snow and a cooler
Explanation:
so if its really cold out side put your drink out there.
What electrolyte may fall in level as a result of citrate toxicity from massive transfusion quizlket
i need help!!!!! limited time! please Explain the energy transformation that occurs when food is digested.
Chemical energy transforms into mechanical energy.
Electrical energy transforms into mechanical energy.
Mechanical energy transforms into chemical energy.
Thermal energy transforms into electrical energy. I RLLY NEED HELP pls
Answer:
thermal energy
Explanation:
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As part of a science experiment, Jose did a test for starch on a slice of apple and a slice of potato. The yellow-orange iodine solution stayed the same color when it was put on the apple, but it became black on the potato.
Why did the iodine solution change color on the potato?
A.
The iodine burned the potato and turned it to ash.
B.
The iodine mixed with the colors of the potato so it looked black.
C.
The iodine evaporated into a gas.
D.
The iodine reacted with the potato to form a new substance.
Answer:
d, the idiodine reacted
Which liquid will evaporate more rapidly? Explain your answer in terms of intermolecular forces
acer
TRUE or FALSE the term “anti-inflammatory” likely means “against inflammation”
Answer:
True
ANTI MEANS AGAINST
Explanation:
how is the miscibility of two liquids related to their polarity?
Answer:
The more polar the liquid, the more likely that it is miscible with water. The polarity of a liquid does not affect its miscibility with water. The less polar the liquid, the more likely that it is miscible with water. The more polar the liquid, the less likely that it is miscible with water.
Explanation:
hope it helps you
Miscibility of two liquids are directly related to their polarity. The likelihood that a liquid will mix with water increases with its polarity.
What is polarity?Polarity is the arrangement of electrical charge among the atoms connected by a chemical bond. Because both hydrogen atoms in H2 were electrically neutral, bonds among atoms of different elements were electrically inequivalent, as opposed to bonds among identical atoms, which are electrically uniform.
The likelihood that a liquid will mix with water increases with its polarity. Liquid miscibility with water is unaffected by the polarity of the liquid. The likelihood that a liquid will mix with water increases with decreasing polarity. The likelihood that a liquid will be miscible with water decreases with increasing polarity.
Therefore, miscibility and polarity are directly related.
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what is the solute when stirring salt in water until the salt disappears?
Answer:
The solute is the substance being dissolved.
The solvent is the substance dissolving the solute.
Therefore, the salt is the solute and the water is the solvent.
Explanation:
The salt is the solute.
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The melting and boiling point tests will MOST help them to infer the strength of intermolecular forces between ionic and covalent compounds?
Question 12 options:
True
False
Answer:
True po
Explanation:
Sana nakatutulong
#Carry on learning
Ionic compounds have higher melting and boiling point than covalent compounds, since ionic bonds are stronger than covalent bonds. Hence, we can compare the intermolecular forces using melting or boiling points.
What is boiling point?Boiling point of a substance is the temperature at which the substance changes from liquid state to gaseous state. Melting point is the temperature at which the substance changes from solid state to liquid state.
Both melting point and boiling point depends on the bond type, molecular weight, temperature and pressure. Stronger the bond , higher energy needed to weaken the intermolecular force between molecules to convert them to liquid state or vapour state.
Hence, the temperature that have to be applied to loosen the bonds to boil them or melt them increases as bond strength increases. Therefore, these physical quantities definitely helps to infer the strength of bonds.
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moles
Calculate the number of moles of 3.00 g of boron tribromide,
PLEASE HELP
If an atom has a negative charge, it has ___ protons than electrons.
A) More
B) Less
C) The same amount
Answer:
less
Explanation:
An electron has a charge of -1 so if there are more electrons than protons the overall charge of the atom is going to be negative