Answer:
Warming the batter and frying the eggs.
Explanation:
This is a chemical change as the products have very different property as compared to reactant not only physically but also chemically. Therefore, the reaction that is associated with cooking is combustion reaction.
What is chemical change?
Chemical change is a reaction in which breaking and forming of new bonds take place. One molecule completely converted to totally different molecule. The number of atoms remains same
One famous example of chemical change is the rusting of iron. The color, odor and arrangements of atoms in products are very much different from reactant. Chemical change are mostly irreversible in nature.
Cooking is a chemical change not a physical change. During cooking the reaction that is associated is combustion reaction as the by product is carbon dioxide and water.
Therefore, the reaction that is associated with cooking is combustion reaction.
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uses of indicators in points?
Answer:
The common application of indicators is the detection of end points of titrations. The colour of an indicator alters when the acidity or the oxidizing strength of the solution, or the concentration of a certain chemical species, reaches a critical range of values.
Liam observed that the pyrite looks like metal. what property did the student investigate?
Answer:
The correct answer is - Luster.
Explanation:
Luster is a property that explains how the light is reflected on the surface of a mineral. Luster can be categorized with the help of if an element or mineral is metallic or non-metallic.
Pyrite has a shiny, opaque metallic luster which is similar to other metals. There are different types of luster other than metallic also found like, silky, dusty, pearly, waxy, and a few more.
What would happen to the rate of a reaction with rate law rate = k [NO]^2[H2] if
the concentration of NO were halved?
A. The rate would be four times larger.
B. The rate would also be halved.
C. The rate would be one-fourth.
D. The rate would be doubled.
The rate of a reaction would be one-fourth.
Further explanationGiven
Rate law-r₁ = k [NO]²[H2]
Required
The rate of a reaction
Solution
The reaction rate (v) shows the change in the concentration of the substance (changes in addition to concentrations for reaction products or changes in concentration reduction for reactants) per unit time.
Can be formulated:
Reaction: aA ---> bB
[tex]\large{\boxed{\boxed{\bold{v~=~-\frac{\Delta A}{\Delta t}}}}[/tex]
or
[tex]\large{\boxed{\boxed{\bold{v~=~+\frac{\Delta B}{\Delta t}}}}[/tex]
The concentration of NO were halved, so the rate :
[tex]\tt r_2=k[\dfrac{1}{2}No]^2[H_2]\\\\r_2=\dfrac{1}{4}k.[No]^2[H_2]\\\\r_2=\dfrac{1}{4}r_1[/tex]
Answer:
C. The rate would be one-fourth.
Another option would be:
The rate would be four times larger
Depending on what class you're taking.
Explanation:
Note the yellow lines which show attractions between the molecules. Why do you think these attractions occur?
Can anyone please help me with this????
Please help me.
Cannot be chemically broken down into simpler substances
An element is the simplest form of matter that has a unique set of properties. Elements cannot be broken down into a simpler substance. Likewise, one element cannot be chemically converted into a different element.
HOPE THIS HELPS
Answer:
element
Explanation:
Because
how is the strength of an acid affected by the number of hydrogen ions it contains
Answer:
The greater the number of hydrogen ions, the increase in the acid strength.
Explanation:
Hydrogen ions determine the pH of the acid, greatest number of hydrogen ions give the pH value below 4 hence strong acid, and least number of hydrogen ions give a pH value above 4 but less than 7 hence a weak acid
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What prevents charge buildup in a galvanic cell?
A. An electrolyte
B. A salt bridge
C. An electrode
D. A battery
Answer:
B is the answer
Explanation:
A salt bridge is necessary to keep the charge flowing through the cell. Without a salt bridge, the electrons produced at the anode would build up at the cathode and the reaction would stop running.
As shown by the periodic table, why do the elements potassium and sodium have similar chemical properties?
A block is pulled 0.90 m to the right in 3.75 s.
What is the block’s average speed to the nearest hundredth of a m/s?
Answer:
0.36 m/s
Explanation:
im in 8th grade in honors science and i think, since u have distance and time you have to divide distance by time
A student calculates the density of an unknown metal sample to be 8.25 g/cm3
Which set of data from the student's notebook correctly calculates the density of her unknown metal sample?
A
Mass = 165.2 g, Volume = 21.2 cm3
В.
Mass = 198.0 g. Volume = 24.0 cm3
С
Mass = 82.5 g. Volume = 11.0 cm3
D.
Mass = 202.5 g. Volume = 25.0 cm3
Answer:
the answer is b
Explanation:
mass=198 divided by volume 24 gives you 8.25
What is the kinetic energy of 3500 kg bus that is moving at 25 m/s
Answer:
1093750 JExplanation:
The kinetic energy of an object can be found by using the formula
[tex]k = \frac{1}{2} m {v}^{2} \\ [/tex]
v is the velocity
m is the mass
From the question we have
[tex]k = \frac{1}{2} \times 3500 \times {25}^{2} \\ = 1750 \times 625 \\ = 1093750 \: \: \: \: \: [/tex]
We have the final answer as
1,093,750 JHope this helps you
You discovered a new compound with the following formula: H(O) Pe. Using the information below, what would be the correct name for this compound?
*H(O) is an Alkaline Earth Metal.
*Pe is classified as a Halogen.
Answer:
Home personide.
Explanation:
In relation of Magnesium and Chlorine, MgCl2 is called Magnesium chloride
List the two thing that will weaken and eventually kill hurricanes
A)
B)
Answer:
A. when winds are to strong
B. cool tempatures
Explanation:
Some of the energy given off by the sun is in the form of _________ and ________energy
Answer:
All of the energy from the Sun that reaches the Earth arrives as solar radiation, part of a large collection of energy called the electromagnetic radiation spectrum. Solar radiation includes visible light, ultraviolet light, infrared, radio waves, X-rays, and gamma rays.
Explanation:
Which property or properties can change when the pressure of a gas changes?
Answer: This law states that the volume and temperature of a gas have a direct relationship: As temperature increases, volume increases, when pressure is held constant. Heating a gas increases the kinetic energy of the particles, causing the gas to expand
Explanation:
According to this law, a gas's volume and temperature are directly correlated: When pressure is held constant, volume rises as temperature rises. The kinetic energy of the particles in a gas increases when it is heated, which causes the gas to expand.
What rules apply to gases?According to Boyle's Law, when the temperature and mass are both constant, the volume of a given volume of gas sustained at a constant temperature varies inversely with the applied pressure.
The quantity of gas particles, the volume of the container, and the temperature of the gas all affect the pressure of a gas that is confined. The pressure will rise as the amount of gas particles in a container increases. The pressure will rise as a container's volume increases.
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The most concentrated solution from among those listed is
0.025 millimeters is the same as how many liters?
Answer:
2.5e-5
Explanation:
which of the following is an example of an electromagnetic wave A. an ocean wave B. A sound wave C. A light wave D. A wave traveling along a rope
Answer:
Light waves
Explanation:
It isn't sound because it isn't infrared, involve electromagneticism, or light/radiation. An ocean wave is a literal wave of water, and a wave traveling along a rope is way off course. Choose a light wave. Also, brainliest would be nice. Glad to help
What is Zeff of phosphorus
Answer:
Explanation:
Here is an illustration showing how to "calculate" +5 as the effective nuclear charge (Zeff) for phosphorus. We are not implying that the electrons are in orbits here, this is simply showing inner shell electrons that shield the outer valence electrons from the full nuclear charge.
We have that The effective nuclear charge Z_{eff} of 3p electron in phosphorus atom is discovered to be approximately 4.80
[tex]Z_{eff}=4.8[/tex]
It is important to note that the Z_{eff} of an element can be defined simply as the average positive charge felt by an shell electron in an atom from the various electrons around it
Hence
The effective nuclear charge Z_{eff} of 3p electron in phosphorus atom is discovered to be approximately 4.80
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A recipe calls for 0.8 oz of cheese. If I make 35 batches of this recipe, how many ounces of cheese do I need?
Part of an important cellular process involving a DNA strand is modeled below
12000
What is the purpose of this cellular process?
F Preserving genetic information for future generations
G Deleting the information in the sequence produced from the DNA template
# Transcribing information in the DNA sequence for use by the cell
J Producing more nucleotides for the DNA sequence
Answer: transcribing information to the dna sequence for use by the cell
Explanation:
two or more atoms joined together form a _____
Answer:
It makes a molecule
Explanation:
what everyday things turn green because acid
why is the layer of fat on top
Answer:
The solid layer of fat on top protects the broth from freezer burn. When I take the broth out of the freezer I use a butter knife to pop the fat cap off before defrosting. I do save chicken fat from soup and use it instead of butter or olive oil when I cook onions.
Explanation:
hit the heart
manganese atom has 30 neutrons and atomic number 25
determine the electron cloud charge of manganese
Answer:
the most common oxidation no.of manganese is + 2 + 3 + 4 + 6 + 7
A solution is
Question 6 options:
a homogeneous mixture.
a compound.
chemically separable.
a heterogeneous mixture.
Answer:
the first one. a homogeneous mixture.
Explanation:
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Why is accidental overlap of signals much more common in H-1 NMR than in C-13 NMR?
Answer:
See explanation
Explanation:
Accidental overlap of signals are common in H-1 NMR than in C-13 NMR for the following reasons;
1) 13C has a very low natural abundance compared to H-1
2) 13C nucleus is s many times lesser in NMR sensitivity than H-1 nucleus.
3) As a result of its low abundance, 13C-13C coupling is not common.
4) Longer relaxation times do not give room for integrations.
5) Peaks in 13C spectra mainly consists of single lines.
As a result of all these, 13C-NMR spectra take longer to acquire than H-NMR. Hence, accidental overlap of signals is much more common in H-1 NMR than in C-13 NMR.
Help its due tonight
Answer:
will you kiss me
Explanation:
oh the awsner is A
Why reaction between phosphorus and oxygen produces four atoms of phosphorus and five atoms of oxygen
Answer:
Reaction between an oxygen and a phosphorus will produce oxides of phosphorus.
Explanation:
Reaction between oxygen and phosphorus produces four atoms of phosphorus with five atoms of oxygen. Sometimes it produces two atoms of phosphorus and five atoms of oxygen and sometimes four atoms of phosphorus and six atoms of oxygen. It does so depending upon the availability of oxygen. The size of phosphorus atom interferes with the ability to form a double bonds to the other elements, such as nitrogen, oxygen, etc.