Answer:
Atoms are often more stable when bonded to other atoms
Explanation:
Like for example let's say ionic bonds..... Since one atom has to lose specific electrons to be stable and the other needs the electrons from the other atom to be stable.....
Answer:
C. Atoms are often more stable when bonded to other atoms
Explanation:
bonding is the joining of two atoms of the same or different elements to form a molecule with the help of forces of attraction.when the atoms join they gain stable electronic configuration .
A teacher wants to figure out the amount of a solution that is needed for a titration experiment in a class lab. The class has 15 students, and each experiment needs 50 mL of solution.
If each student will perform the experiment two times, how many mL of solution will the teacher need for the whole class?
375 mL
750 mL
1500 mL
3000 mL
Answer:
Im sure it's 1500 mL
Explanation:
You would have ti multiply by 15 i think
Answer:
It is C) 1500 mL
Explanation:
It is C) 1500 mL
balance this chemical equation pleaseee
What does unsaturated zone mean?
As part of a lab experiment, Tasha drops a metal cube into a beaker of water, as shown in the figure below. heat transfer After energy in the form of heat transfers between the substances, what is the final temperature of the water? Group of answer choices The final temperature is 25 °C because there is more water than metal. The final temperature is 50 °C because the metal warms the water to the temperature of the metal. The final temperature is between 25 °C and 50 °C because most of the thermal energy is lost to the air around the substances. The final temperature is between 25 °C and 50 °C because energy is transferred from the metal to the water.
Answer:
Explanation:ddxc
A bond formed between a fluorine, F, atom and a fluorine, F, atom is likely to be____
A
ionic bond
B.
polar covalent
C
nonpolar covalent
D
alloy
Answer:
c) non polar Covalent
Explanation:
this is a molecule formed by atoms of the same element . they both have similar electronegativities and thus cancel out . This makes it a perfect Covalent molecule . The fact that it's a symmetrical molecule makes it non polar. a symmetrical molecule is a molecule formed by the overlap of orbitals of two atoms of the same element ( that is to say , there's no dipole )
What is a limiting reagent? A.) The reactant that is used up first in a reaction B.) The reactant that is used the least reactive in a reaction C.) the reactant with the smallest coefficient in the equation D.) the reactant with the largest coefficient in the equation
Answer: A.) The reactant that is used up first in a reaction
The reactant that is totally consumed during a reaction, or the limiting reagent, decides when the process comes to an end. A limiting reagent is the reactant that is used up first in a reaction. Therefore, option A is correct.
What is a limiting reagent?A reactant that is completely consumed at the end of a chemical reaction is known as the limiting reagent. Since the reaction cannot proceed without this reagent, the amount of product that can be produced is constrained.
The limiting reactant is the one that is consumed first and sets a limit on the quantity of product(s) that can be produced. Calculate how many moles of each reactant are present and contrast this ratio with the mole ratio of the reactants in the balanced chemical equation to get the limiting reactant.
The terms limiting reagent and limiting agent may also be used to describe the limiting reactant.
Thus, option A is correct.
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Write the type of each chemical reaction
1. Double Displacement
2.Double Displacement
3. Single Displacement
4. Decomposition
5. Synthesis
6. Combustion
A scientist measures the heart rates of 30 students from the same class before
and after they run for different amounts of time. The experimental set up is
shown below:
• Group 1 had ten students who ran one lap.
• Group 2 had ten students who did not run at all.
• Group 3 had ten students who ran two laps.
Group 4 had 30 students from another class whose heart rates were
not measured.
Which group is the control in this experiment?
A. Group 1 from this class
B. Group 2 from this class
C. Group 3 from this class
D. Group 4 from another class
The for this question will be d
Directions: Record the number of each atom in each molecule, then record the total number of atoms in the molecule.
Atoms are the individual particles that make up all matter, while molecules are formed when atoms combine together through chemical bonding. There are 6 atoms in NH₄Cl and 5 atoms in CaClO₃.
Atoms are the basic building blocks of matter. They are the smallest units of an element that retain the chemical properties of that element. Atoms consist of a nucleus containing positively charged protons and neutral neutrons, surrounded by negatively charged electrons in energy levels or shells.
Molecules, on the other hand, are formed when two or more atoms chemically bond together. They can be made up of atoms of the same element or different elements. Molecules can exist as discrete units and can have distinct chemical and physical properties. Examples of molecules include water (H2O), carbon dioxide (CO2), and glucose (C6H12O6).
Therefore, there are 6 atoms in NH₄Cl and 5 atoms in CaClO₃ as listed in the table attached.
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need some help with this
Answer:
Speed
Explanation:
!!!pleaseee help ASAP ITS TIME!! based on the Lewis/electron dot representation of the two atoms predict the ratio
Answer: B 1:2
Explanation:
i legit searched it up and the answer poped up lol
Answer:
The ratio is 2:1 option C
Hope it helps..........
The terms distance and displacement are used by scientists to describe very specific differences between an object's initial position and its final position. Describe a situation in which the distance traveled is great but the displacement is zero.
Explanation:
Distance is the total length of path one travels.
Displacement is the distance between the initial and final position.
For example, if your classroom is located 200m from your dormitory, you walk to class and back to your dormitory, your distance is 200m + 200m = 400m;
Your displacement is 0m. Your initial and final position is the same so no displacement.
The solute will dissolve quicker if the solute is more?
A. shaken.
B. saturated.
C. cooled.
D. settled.
Answer:
A) Shaken is the correct answer
Explanation:
The other three don't fit in with the solution if you think about it. When you shake something with lemonade crystals (Like a lemonade flavor packet in poured in a water bottle) it dissolves faster when you shake it rather than it sit on the bottom for 15 minutes! :) .
Hope this helps! :)
Answer:
The Person above me is correct
Explanation:
I got it right first try 100%
In which medium will a sound wave move more quickly?
Ethanol, air, vacuum, rock.
Answer:
Rock
Explanation:
What is a rule you can use to predict the shape of a molecule based on the number of atoms and line electron pairs (i.e., substituents) around a central atom?
Answer:
VSEPR PRINCIPLE
Explanation:
I did some research and that was what I found, I hope this helps.
NaHCO3 is an example of -
Answer:
sodium bicarbonate
Explanation:
compare the values of the spin quantum number for two electrons in the same orbital
cell phones use digital signals to send amd receive information. these digital signals travel as what kind of wave?
A.gamma rays
B.x-rays
C.microwaves
D.radio waves
What is the scientific name for an orca or killer whale?
FIRST ONE WILL BE MARKED “BRAINIEST”
Explanation:
Orcinus orca is the name of orca
What is the organism that is harmed in parasitism called? (3 points)
aCompetitor
b Host
c Parasite
d Prey
Answer:
B Host
Explanation:
this is due to the fact that the organism is hosting the parasite
When a ball is rolling down a hill, what forces are acting on the ball? Why does it speed up?
Include friction and gravity in your answer.
Answer:gravity
Explanation:
Answer:
the gravity speed up because the friction didn't speed up
how many moles are equal to 89.23g of calcium oxide?
mass of calcium oxide equals 89.23 g
molar mass of calcium oxide equals 56 G / Mole
the formula which is used as much of CaO equals molar mass of CaO
now put all of the Given values in this formula, we would get the moles of calcium oxide.
moles of CaO= 88.23g over 56g/mole which would get you 1.593 moles
Melted wax has a temperature of 54 deg. Celsius. Physical or chemical property?
The melting of solid wax to form liquid wax and the evaporation of liquid wax to form wax vapor are physical changes. The burning of the wax vapor is a chemical change.
1. Raw egg to boiled egg.
2. Batter to idli.
3. Wet clothes to dry clothes.
4. Woollen yarn to knitted
sweater.
5. Grain to its flour.
6. Cold water to hot water.
7. Straight string to a coiled string.
8. Bud to flower.
9. Milk to Cheese.
10. Cowdung to biogas.
II. Ice cream to melted ice-cream.
12. Stretched rubber band to
its normal size.
13. Souring of milk.
14. Ripening of a mango.
15. Dissolving sugar in water.
these are reversible or Irreversible, chemical or physical, Natural or manmade, periodic or non periodic,desirable or undesirable?
Answer:
1.Irreversible
2.Physical
3.
Calculate the percent composition of chlorine in methyl trichloride, CHCl3.
Answer:
Chlorine --> 89%
Explanation:
Step 1) Add each element's amu up to get the total mass of the compound.
12.011+1.008+3(35.453) = 119.378.
Step 2) Divide the total mass of chlorine by the total mass of the compound.
3(35.453) = 106.359
106.359/119.378 = 0.8909430548.
Step 3) Now multiply by 100 to get the percentage.
0.8909430548*100 = 89.09430548%
Step 4) Estimate and submit your answer
89.09430548% estimates to 89%
I must type a short response. Can anyone help me out?
Explanation:
The fluids seperated because of the different density of the liquids. The lower liquid has a high density while the liquid on top has a low density
Use the chart to determine which pair of atoms has the greatest difference in electronegativity.
A. Ca – Cl
B. H – Cl
C. Fe – Cl
D. P – Cl
A gas occupies 4.31 liters at a pressure of 0.755 atm. Determine the volume if the pressure is increased to 1.25 atm. (Boyle)
Answer:
2.60 LExplanation:
The new volume can be found by using the formula for Boyle's law which is
[tex]P_1V_1 = P_2V_2[/tex]
Since we are finding the new volume
[tex]V_2 = \frac{P_1V_1}{P_2} \\[/tex]
From the question we have
[tex]V_2 = \frac{4.31 \times 0.755}{1.25} = \frac{3.25405}{1.25} \\ = 2.60324[/tex]
We have the final answer as
2.60 LHope this helps you
Please answer 7-9 i am using alot of my points for this
Answer:
7... simalair: made of more than 2 things DIffernt: elemants are made of atoms.
Explanation:
Give me your worst/best pick up line (using these on my crush btw)
did it hurt when you fell from heaven ;)
Is your name wifi? cuz im really feeling a connection
If looks could kill, you'd be a weapon of mass destruction
Do you have a band aid? I scraped my knee falling for you:)
I'm not drunk, just intoxicated by you
are you a criminal? cuz you already stole my heart
i dont have a library card but do you mind if i check you out?
