Answer:
Baking soda is sodium bicarbonate, which requires acid and a liquid to become activated and help baked goods rise. Conversely, baking powder includes sodium bicarbonate, as well as an acid. It only needs a liquid to become activated. Substituting one for the other is possible with careful adjustments. Baking soda is strong. In fact, it is about 3-4x stronger than baking powder. More baking soda in a recipe doesn't necessarily mean more lift.
Explanation:
Explanation:
baking soda contains one ingredient, sodium bicarbonate. however, baking powder contains sodium bicarbonate , monocalcium phosphate and either sodium acid prophetess or sodium aluminum sulfate
Bromine is an element that often gains an electron to become a negatively charged ion. Potassium is an element that often loses an electron to become a positively charged ion.
Why are bromine and potassium likely to react with one another?
Bromine needs to gain one more electron to have a noble gas configuration or 8 valence electrons, & potassium needs to lose one so they make a transference of electrons in an ionic bond.
What are the functions of ionic bonding?Ionic bonding is a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions, or between two atoms with sharply different electronegativities, and is the primary interaction occurring in ionic compounds.
Ionic bonding results in compounds known as ionic, or electrovalent, compounds, which are best exemplified by the compounds formed between nonmetals and the alkali and alkaline-earth metals.
The charge of a cation or anion is denoted as a superscript after the formula of the ion. A + sign denotes a positive charge resulting from loss of electrons. A - sign denotes a negative charge resulting from gain of electrons.
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Which of the following is an example of a gas solution?
Select one:
a. Air in water.
b. Antifreeze in water.
c. Bronze alloy.
d. Helium in air.
d- Helium in air me air is made up of various gases
WILLL GIVE BRAINLIEST IF YOU ANSWERRR PLEASEEEE IM LITERALLY BEGGING YOU I PUT THIS QUESTION IN SOO MANY TIMES I HAVEN'T GOTTEN AN ANSWER PLEASEEE HELPPP
Answer:
The answer is 375.54 g of AgBr
Explanation:
Mass (g) = Concentration (mol/L) x volume (L) x Molecular Weight of AgBr (g/mol)
Mass = 2M x 1L x 187.77 g/mol
Mass = 375.54g
What does a
map
scale measure?
Answer:
Map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground.
Explanation:
For example, on a 1:100000 scale map, 1cm on the map equals 1km on the ground.
What is the name of this alkene?
Answer:the name is cc bc it 4920 and hehe i just want points thank you
Explanation: lol did wsiw skwks thanks for points
The atomic number of an element:
#1. Tells you the mass of the atom
#2. Tells you the number of energy levels there are around the atom
#3. Tells you the identity of the atom
#4. Tells you how many valence electrons the atom has
Answer:
I think #3 might be the answer .
Because in #1 atomic mass tells mass .
#4 Atomic number doesnot only tell about the electrons atom has
What is the formula for Water?
Name full name element's name
Answer:
2 Hydrogen atoms and 1 Oxygen atoms makes water
Explanation:
Hope this helps^^
Answer: Its chemical formula H2O, indicates that each of its molecules contains one oxygen and two hydrogen atoms,
Explanation: i hopes it helps :)
Help meeeeeeeeeeeeeee
Answer:
4) 2Na + Cl2 → 2NaCl
5) 2Mg + O2 → MgO
6) 2H2 + 2O2 → 2H2O
Explanation:
4) In order for it to be well balanced, yeah you've got to add 2 in front of Na before the reaction and after the reaction.
5) Add 2 in front of Mg bcuz of the same reason in number 4 but you don't have to add 2 in front of the others bcuz it's alrd well balanced.
6) Tbh for this one, it got me staring at my cat until he freaks out but like yeahh, I tried :')
How does a balanced chemical equation demonstrate the Law of Conservation of Mass? (1 point)
O it shows that only physical changes follow the Law of Conservation of Mass
O it shows that no atoms have been gained or lost during the reaction
O it shows that the properties of the elements stay the same after the reaction
O it shows that all compounds remain bonded after the reaction
Explanation:
A balanced equation demonstrates the conservation of mass by having the same number of each type of atom on both sides of the arrow. enjoy
Answer:
It show that no atoms have been gained or lost during reaction
Explanation:
______Is analyzed by qualitative methods
A. The identify of the poison used in a murder.
B. The amount of poison used in a murder.
C. The location of the poison used in a murder.
D. The method used by the suspect to kill the person.
Answer:
A. The identify of the poison used in a murder.
Explanation:
which reagents are appropriate to carry out the conversion shown?
A reagent us a chemical substance applied in a chemical reaction to bring about a change in the chemical reaction process. The reagent that is appropriate to carry out the conversion is Ethanol (CH3CH2OH).
Organic Reactions are reactions taking place in organic compounds and they can take various forms such as electrophilic addition reaction or nucleophilic substitution reactions.
From the assumed diagram below, the reaction takes place in an unimolecular nucleophilic reaction SN1 mechanism in which a racemic mixture produce an organic compound and an enantiomer.
For the reaction to take place, the best organic reagent to us is known as ethanol (CH3CH2OH). This is because the organic reagent is a solvent that acts as a Nucleophile.
In the reaction, bromine (Br) is the leaving group, after it detaches from the racemic compound, it forms a carbonation in which the Ethanol CH3CH2OH attacks at the carbonation site.
Therefore, we can conclude that the Reagent necessary to carry out the conversion is Ethanol (CH3CH2OH)
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aluminum has a density of 2.70 g/cm^3, a sample with a volume of 50 cm^3 will have how much mass?
Answer:
135 gExplanation:
The mass of a substance when given the density and volume can be found by using the formula
mass = Density × volume
From the question
density = 2.70 g/cm³
volume = 50 cm³
We have
mass = 2.70 × 50 = 135
We have the final answer as
135 gHope this helps you
What is the element name for mg2SiO4
Answer:
forsterite
Explanation:
as a bystander, the _______ approach doesn’t work when drugs or alcohol are involved, as the person you’re trying to stop is more likely to become defensive or hostile.
When trying to step into an argument or misunderstanding between people as a bystander with drugs and alcohol involved, the direct approach won't work.
When trying to make peace between quarelling individuals as a bystander, the direct approach would fail if alcohol or drugs is being held as the prsin might see you as a villian. Only when the person knows and trusts you will this approach work. Hence, when drugs or alcohol is involved, other methods of rendering help should be employed.Therefore, the direct approach won't work in the this scenario.
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write the formulas of alkanes that contain three, five, seven, and nine carbon atoms
Answer:
Explanation:
Name Number of Carbon Atoms Molecular Formula
methane 1 CH4
ethane 2 C2H6
propane 3 C3H8
butane 4 C4H10
write a general equation for the reaction of an alkali metal with water.
Answer:
Alkali metals are highly reactive metals. These metals are that much reactive that they can even explode in the air as well. When alkali metals and water react with each other, there is a formation of metal hydroxide and the evolution of hydrogen gas.
The general representation of metal is A. so, the general equation for the reaction of an alkali metal with water is given below.
2A(solid)+2H2O(liquid) -------> 2AOH(aqeous)+H2(gas)
what happens when chocolate get heated?
hope it helps
why the core is metallic and the lower mantle is not.
Answer:
due to the overlaying layers of strata (layers of earth) an high pressure is created at the core. due to this it behaves like an solid rether than being a liquid... the lower mantle is not solid because in this case the overlaying strata doesn't produce that much pressure on it..
Explanation:
brainliest plz
how many different products are formed from the dehydrohalogenation of 2-bromobutane?
Answer:
3 1-butene, Z-2-butene, and E-2-butene.
Explanation:
Since 2-butene exists as two stereoisomers, three products are possible from the reaction of potassium ethoxide with 2-bromobutane. The products are, of course, 1-butene, Z-2-butene, and E-2-butene.
how many sulfide ions are in 15 dg of sodium sulfide?
There are 1.16x10²² sulfide ions (S²⁻) in 15 dg of sodium sulfide (Na₂S).
The equation for sodium sulfide is the following:
Na₂S → 2Na⁺ + S²⁻ (1)
So from equation (1), we can see that in 1 mol of sodium sulfide we have 1 mol of sulfide ions and 2 moles of sodium ions.
First, let's find the number of moles of Na₂S
[tex] n_{Na_{2}S} = \frac{m_{Na_{2}S}}{M_{Na_{2}S}} [/tex] (2)
Where:
[tex]m_{Na_{2}S}[/tex]: is the mass of Na₂S = 15 dg = 1.5 g
[tex]M_{Na_{2}S}[/tex]: is the molar mass of Na₂S = 78.0452 g/mol
The number of moles of Na₂S is (eq 2):
[tex] n_{Na_{2}S} = \frac{1.5 g}{78.0452 g/mol} = 0.0192 \:mol [/tex]
We can find the number of ions of S²⁻ with Avogadro's number, knowing that the number of moles of Na₂S is equal to the number of moles of S²⁻ (eq 1).
[tex] ions_{S^{2-}} = \frac{6.022 \cdot 10^{23} \:ions}{1\:mol}*0.0192 \:mol = 1.16 \cdot 10^{22} \:ions [/tex]
Therefore, there are 1.16x10²² sulfide ions in 15 dg of sodium sulfide.
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A student fills two syringes: one with air and the other with an equal volume of
water. After capping the syringes, the student applies the same amount of
pressure to the plungers and records observations about the change in volume.
Based on the particle model of matter, which of the following statements best
explains the student's observations that the volume of the gas decreases greatly
but the volume of the liquid does not change noticeably?*
Gases expand to fill their containers but liquids do not because particles of gases are
free to move but particles of liquids are fixed in position.
Gases take the shape of their containers but liquids do not because gas particles
have the ability to flow but liquid particles do not.
Gases can have larger changes in volume than liquids can because gas particles
expand and contract but liquid particles do not.
Gases are more readily compressed than liquids are because there is more space
between the particles in a gas than in a liquid.
Here we need to see the differences between a liquid and a gas, and how that affects the volume and effects of pressure on them.
The correct option is:
Gases are more readily compressed than liquids are because there is more space between the particles in a gas than in a liquid.
So we have two syringes, one with air and the other with water.
The student applies the same amount of pressure to both of them, but as water is denser than air, in a given change dV of volume in the syringe, the mass of water is larger than the mass of air.
This means that for the same pressure, we should expect the change in volume to be smaller in the syringe with water.
Why this happens?
Gases are more readily compressed than liquids are because there is more space between the particles in a gas than in a liquid.
This means that for the air is easier to be compressed (the distance between particles is larger, so the same pressure compresses more a gas than a liquid) and exit the syringe than for the water, and this translates to the change in volume per unit of pressure applied, which is larger for gases than liquids.
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does the character of a bond become more covalent or ionic when the difference in electronegativity of the bonded atoms increases?
Answer:
The grater the difference in electronegativity, the more ionic the bond
a sheet of pure aluminum loses heat. what will happen to the aluminum atoms
Answer:
they will slow down i think
Explanation:
losing heat means it cools down so atoms are slower
Please help me with chem, it would be very appreciated!
why it is necessary to draw a Lewis diagram before predicting the shape of a molecule
To determine the shapes of molecules, we must become acquainted with the Lewis electron dot structure. Although the Lewis theory does not determine the shapes of molecules, it is the first step in predicting shapes of molecules. The Lewis structure helps us identify the bond pairs and the lone pairs.
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a bronsted lowry acid is defined as a substance that
Answer:
that donate H+ ion.
Explanation:
hope this helps :)
Which scientist is credited with developing the fist scientific atomic theory
Answer:
German chemist G.E. Stahl
Which of the following is a liquid someone help!!!!!
Which statement describes the bonds in iron sulfate, FeSO4?
Fe and S have an ionic bond, while S and O have covalent bonds.
Fe and S have a covalent bond, and S and O have covalent bonds, too.
Fe and S have a covalent bond, while S and O have ionic bonds.
Fe and S have an ionic bond, and S and O have ionic bonds, too.
___
Regarding the bonds in FesO₄, Fe and S have an ionic bond, while S and O have covalent bonds.
Elements form bonds to increase their stability. The main types of bonds are:
Metallic bonds: they are formed between metals and the electrons are in a delocalized cloud.Ionic bonds: they are formed between metals (lose electrons) and nonmetals (gain electrons)Covalent bonds: they are formed between nonmetals, which share electrons.Regarding the bonds in FesO₄:
Fe is a metal and S a nonmetal, thus they will form ionic bonds.S and O are both nonmetals, thus they will form covalent bonds.Regarding the bonds in FesO₄, Fe and S have an ionic bond, while S and O have covalent bonds.
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If you increase the force on an object, its acceleration increases. True or false
Answer:
true
Explanation:
from Newton's second law of motion ,we can understand that acceleration of a body is directly proportional to the force applied on it and inversely proportional to its mass ,so as the force applied increase,the acceleration also increases
Describe what does happen to the electrons when metal atoms are bonded together.
Answer: In metallic bonds, the valence electrons from the s and p orbitals of the interacting metal atoms delocalize. That is to say, instead of orbiting their respective metal atoms, they form a “sea” of electrons that surrounds the positively charged atomic nuclei of the interacting metal ions. Metals are shiny.
Explanation: Hope this helped!