Answer:
I don't understand but I can tell u this:
Na has one extra valence electron and Cl has one missing one. Chemical reactions and forming of compounds is all in the electrons and not the nucleus. So, when highly reactive Na mixes with Cl, they form a stable compound called NaCl, or table salt.
If we are making one molecule of sodium chloride, we need one sodium atom and one chlorine atom. The formula of sodium chloride is NaCl.
What is sodium chloride?Sodium chloride is an ionic compound formed by the combination of sodium and chlorine atoms. One molecule of sodium chloride contains one sodium and one chlorine atom to form NaCl. Now if we are making one mole of NaCl, we need 6.022 × 10²³ atoms of each element.
Sodium is a metal and possess extra one electron in its valence shell. Chlorine have 7 valence electrons thus, it needs one more electron to attain octet. Sodium donates its electron to chlorine and gains a positive charge.
Chlorine gains a negative charge by accepting the electron from sodium. This opposite charge clouds undergo electrostatic force of attraction. And thus, it an ionic bond forms between them.
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Carbonated beverages contain dissolved carbon dioxide gas. Which temperatures are best for the liquid while it is being produced in the factory?
A. High temperatures are best to minimize the solubility.
B. High temperatures are best to maximize the solubility.
C. Low temperatures are best to minimize the solubility.
D. Low temperatures are best to maximize the solubility.
Please answer and thankyou!
Carbonated beverages contain dissolved carbon dioxide gas. Low temperatures are best to minimize the solubility. option C is correct.
Drinks that have carbon dioxide dissolved in the water are referred as carbonated beverages. The presence of this gas causes the liquid to froth.
Carbonation takes place by applying pressure. Spring water, beer and soda, and pop are a few examples of carbonated beverages. When carbon dioxide is absorbed in a liquid, for example spring water, it absorbs Carbon dioxide from the subsurface. It can also happen naturally. Beer is example of a naturally carbonated beverage as the brewing process produces carbon dioxide soda .
Thus option C is correct.
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how long do you leave hydrogen peroxide in your ear
Answer:
2 mins
Explanation:
because it will let it soak into your ear and get everything out
Explain what it means for an atorn to be neutral.
Help me pls due tomorrow
1.003
3.441
2 O
first
third
5. Describe how the properties of elements in the same group differ to the properties of elements in the same period.
Answer:
(a) (i) All the elements of a group have similar chemical properties because they have the same no. of valence electrons in their outermost shell. (ii) All the elements of a period have different chemical properties because they have different no. of valence electrons in their atoms.
The gas release during a chemical reaction which causes fizzing known as?
Answer:
Hey mate...
Explanation:
This is ur answer....
EffervescenceEffervescence is the escape of gas from an aqueous solution and the foaming or fizzing that results from that release.
Hope it helps!
Brainliest pls!
Follow me! ♧
Explanation:
Your answer is effervensecence
(BRAINLIEST FOR CORRECT AND BEST EXPLAINED ANSWER) What properties distinguish solids, liquids, gases, and plasma from each other?
Answer:
Here's a pretty short answer :D
Explanation:
Solids have definite volume and shape, liquids have definite volume but take the shape of their containers unlike solids. Gases don't have definite shape or volume, and plasma is somewhat gas because its particles are far apart from each other - but - gases are electrically neutral while plasma has a charge.
.
.
.
Hope this helped! :3
Найти массу фтора, который понадобится для взаимодействия с 0.5 г водорода. Образуется фтороводород. 2. Найти объем сероводорода, который прореагирует с 5, 6 г гидроксида натрия.
Answer:1) 9,5 грамм
2) 1,8 л вроде
Explanation:
1) H2+F2=2HF
n(H2)=1 моль. n(F2)=1моль
M(H2)=1г/моль. М(F2)= 19г/моль
0,5:1=х:19.
2) H2S+2NaOH=2H2O+Na2S
M(H2S)= 34г/моль. М(NaOH) =40г/моль
5,6:80=х:34. m(H2S)= 2,38г.
n(H2S)= 2,38:34≈0,08
V=Vm•n= 22,4 • 0,08=1,8
How much heat is required to raise the temperature of 86.5g of water from its melting point to its boiling point
Explanation:
Assuming that pressure is equal to
1 atm
, boiling water at its boiling point implies providing it with enough heat to turn it from liquid at
100
∘
C
to vapor at
100
∘
C
.
The amount of heat needed to allow one mole of water to undergo this phase change is called the enthalpy chnge of vaporization,
Δ
H
vap .For water at
100
∘
C
, the enthalpy change of vaporization is equal to
Δ
H
vap
40.66 kJ/mol
Determine the element, given the number of protons in an atom
homogeneous or heterogeneous ang ibig sabihin ng dalwang ito
Answer:
tae nimo par and thankyou
Explanation:
i hope its help
The equation that shows the relationship between speed, wavelength, and frequency of electromagnetic waves is
Answer:
c = λ f
c is the speed of light, λ the wavelength in meters, and f equals the frequency in cycles per second.
Explanation:
How many moles are in 13.5g of calcium?
Answer: 0.337 mol Ca
Explanation: 13.5 g Ca ÷ (40.1 g/mol Ca) =
Answer:
13.5/40+0.3375
Explanation:
Use the drop-down menus to order the steps for writing chemical names. Write the name of the element that is farthest to the left on the periodic table with the correct prefix. Use the subscripts to determine the number of each atom in the compound Write the name of the second element with the correct prefix and ending with the suffix-ide. Put the names together, with the name of the element farthest to the left written first. V Use the chemical symbols and the periodic table to identify the names of the elements in the compound
Answer:
3 2 4 5 1
Explanation:
The position of an element on the periodic table depends on its chemical properties.
What is the periodic table?The periodic table is an arrangement of elements in groups an periods. The elements in the same group are chemically similar while the elements that are in the same period only have the same number of shells.
The question is incomplete as the required charts are not shown. However, the position of an element on the periodic table depends on its chemical properties.
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Density measures
A
how much liquid is in an object.
B
the amount of space an object takes up.
C
how tightly packed an object’s particles are.
D
the amount of matter contained in an object.
Answer:
A IS DISPLACEMENT
B IS VOLUME
C IS DENSITY
D IS MASS
why a mixture of magnesium hydroxide and water is known as milk of magnesia
because of its milk-like appearance. ... Since the dissociation of this small amount of dissolved magnesium hydroxide is complete, magnesium hydroxide is considered a strong electrolyte. Its low solubility makes it a weak base.
xác định nội năng chuẩn ΔU của phản ứng tổng hợp amoniac
ở 400 0 C, biết :
N 2(k) + 3H 2(k) = 2NH 3(k) ΔH 0 T = - 109,0 kJ
Explanation:
xác định nội năng chuẩn ΔU của phản ứng tổng hợp amoniac
ở 400 0 C, biết :
N 2(k) + 3H 2(k) = 2NH 3(k) ΔH 0 T = - 109,0 kJ
If there are more shells does the nuclear charge decrease
Answer: Yes, if there are more shells the nuclear charge decreases.
PLEASE HELP! WILL GIVE BRAINLIEST!!!! match the terms on the left with the terms on the right.
Answer: 28. A
26. E
23. C
Explanation:
Only know a couple sorry
The struggle between organism to suvuve in a habitat with limited resources is called
It's called "competition"
5. How do ocean currents impact land temperatures? 1.Winds from the land help drive ocean currents. 2.Winds from the ocean bring temperatures related to the ocean currents. 3.Ocean currents do not impact land temperatures. 4.Ocean currents bring temperatures away from the nearby land.
Answer:
the answer is the option 4
Explanation:
i believe its number 4 because when you live near a beach the temperature is cooler
PLEASE HELP, I REALLY NEED HELP WITH THIS!!!
Answer:
Explanation:
There are 6 32S atoms and 2 36S atoms
Their respective contributions to the average aomic mass is (6*32)=192, and (2*36)=72. Added together, this makes 264 total. Divide by the total number of atoms, 8. (264/8) = 33.00
The weighted atomic mass of these S atoms is 33.00 amu (atomic mass units)
What might the student have done that caused this
error? List all possible causes.
Answer:
They need to put a question that has an error in it
Answer:
The capillary tube was too close to the bottom of the beaker.
The ruler may have moved.
Water got into the capillary tube.
The temperature was not allowed to equilibrate in the 2-4 minutes
covalent compounds are generally made up of elements found in which part of the periodic table?
Answer:
elements from group four to eight
Aristonun teorisini çürüten bilim adamı
( BRAINLIEST)
Which Salt is formed when Ammonia reacts with Nitric acid ?
Answer:
When nitric acid reacts with ammonia, ammonium nitrate is formed.
CLOZE 2
The only way to know for sure if a chemical reaction has occurred is to identity that a new
has been formed. There are
we can look
for that help to determine if a chemical reaction has occurred. One sign of a chemical reaction
is the formation of a
observed as bubbling, flezing, or foaming.
Some chemical reactions, like the burning of wood, result in the production of
A change in
either an increase or
decrease, can indicate that a chemical reaction has occurred. The formation of a precipitate is
another sign of a chemical reaction. A
is a solid substance that
separates from a solution. A change in
such as we see
ng of a bike chain, is the final sign that a chemical reaction has occurred. If one or
Answer:
Explanation:
The only way to know for sure if a chemical reaction has occurred is to identity that a new compound has been formed. There are signs
we can look for that help to determine if a chemical reaction has occurred. One sign of a chemical reaction is the formation of a gas
observed as bubbling, flezing, or foaming.
Some chemical reactions, like the burning of wood, result in the production of heat or light energy.
A change in temperature either an increase or decrease, can indicate that a chemical reaction has occurred.
The formation of a precipitate is another sign of a chemical reaction. A
precipitate is a solid substance that separates from a solution.
A change in color such as we see in the rusting of a bike chain, is the final sign that a chemical reaction has occurred. If one or more of these signs is
presnt, a chemical reaction has occurred
The accuracy of a measurement
??
Answer:
-indicates that the measurement is also precise.
Explanation:
Pretty sure it's option 2.
An object with amass of 2.0 kg accelerates 2.0m/s 2 when an unknown force is applied to it. What is the amount of force?
Recall f=ma
f = 2 x 2 = 4N
The amount of force is 4N
science need ko po ng help di mo ako kase matalino salamat po
Answer:
1.An initial observation is the measurement that you take before you start any process that might cause a change. When you compare your subsequent observations with the initial one, you will see whether any change has taken place, and you will be able to measure the change.
Explanation:
D ko po alam yung iba