If 125 grams of KCIO3
decomposes completely,
how many moles of
oxygen gas is produced?
What's the correct answer?
Answer:
I will be (c) Plate Tetonics. Also there is a chance of being (d) Deposition
BTW the question is not that clear anyway i have figured it out
Which best describes particles in a liquid?
more freely moving than a solid
completely stationary
more freely moving than a gas
Answer:
More freely moving than a solid
Explanation:
BRAINLIEST!! PLS HELP!!
Answer:
b be aosum
Explanation:
what is the past tense of I'll
Answer:
i would or i have or i did
Explanation:
Answer:
I would or I would of and I think or ill do it if yk then yk
In a sealed container at constant pressure, the volume is 25L. When cooled down to 100K the volume decreases to 6.25L. What was the original temperature of the container? *
A. 50k
B. 100k
C.250k
D.400k
What is the molecular formula of a compound with an empirical formula P2O5 and a gram-molecular mass of 284 grams? And why?
pls help me!!!!
A.Ants and tarantulas
B.Rats and Snakes
C.Cacti and Sagebrush
D.Hawks and Coyotes
Answer:
C since both are plants which are the producers
Answer:
Cacti and Sage Brush
Explanation:
because they are plants so they produce food on their own
Day 2 code word
Options are
1. Chloroplast
2. Cytokinesis
3 cytoplasm
4. Meiosis
Answer:
chloroplast
Explanation:
changing the number of ___ gives an atom a neutral charge or causes it to take on a positive or negative charge. (pick on that best fits)
a.) atomic mass
b.)atomic number
c.) protons
d.) ions
e.)neutrons
f.) neutral
g.) electrons
Answer:
g
Explanation:
5N
12N
7N
HELP HELP
Answer:
Balanced
0N Stationary
Explanation:
One side = 5N + 7N = 12 N
Other side= 12 N
Equal newton so it's a balanced forced :
Balanced
0N Stationary
I hope i am understood and am right!
Explain the relationship between overpopulation and diminishing water supplies.
Answer:
if a place is overpopulated, they will use more water than they have.
Explanation:
pretty much the explanation right there
Answer:
Explanation:
As human populations grow they consume more water, not just by drinking, but through all of the other human activities that require freshwater such as agriculture, bathing, cleaning, etc. Overpopulation, therefore, can lead to overconsumption as populations use more water than an area can support and replenish sustainably.
Describe two patterns in the periodic table?
Answer:
Patter 1: Ionization Energy Decreases going down a group
Pattern 2: Ions tend to gain/lose the least amount of electrons
Take oxygen, for example. Oxygen has 8 electrons. To become like a noble gas it could either gain two to become like neon or it could lose six to become like helium. So what will oxygen do—gain two or lose six? As a general rule, atoms will gain or lose the fewest number of electrons possible.
Explanation:
Beryllium oxide is heated.
What is the chemical reaction equation?
Answer:
BeO
Reaction of beryllium with air
However, powdered beryllium metal does burn in air to give a mixture of white beryllium oxide, BeO, and beryllium nitride, Be3N2. Beryllium oxide is more normally made by heating beryllium carbonate. 2Be(s) + O2(g) → 2BeO(s)
what is the definition of behavior?
Answer:
the definition of behavior is the way in which someone conducts oneself or behaves.
Answer:
the way in which one acts or conducts oneself, especially towards others.
For example
he will vouch for her good behaviour"
explain why there is a period of constant temperature during melting and freezing. use
Answer:
Because the heat energy provided at the moment of melting and freezing are used up in the transformation of the state of matter!!
Thus the temperature remains the same
Choose the answer that shows the states of matter particle motion in
order from most to least. *
1 point
Osolid, liquid, gas
Ogas, solid, liquid
O liquid, gas, solid
O gas, liquid, solid
WELLLPL
When two clear substance combines, an insoluble solid is formed that settle downs as a
[tex] \huge \sf \underline \blue{Question} \colon[/tex]
When two clear substance combines, an insoluble solid is formed that settle downs as a ________.
[tex] \huge \sf \underline \blue{Answer} \colon[/tex]
When two clear substance combines, an insoluble solid is formed that settle downs as a precipitate.
→A precipitate is a substance to be deposited in solid form from a solution.
______________________________________
A lithium atom has three protons, three neutrons, and three electrons. What is the overall charge on this atom?
Answer:
This atom is neutral as the number of electrons is equal to the number of protons
Answer:
It doesn't quite have a charge. The neutrons don't have a charge, the protons and electrons do. But, there are equal amounts of both, so the element Lithium is neutral.
Explanation:
I am the life cycle that contains tiny undeveloped plants,
but I still have enough food for growth. Who am I?
Please help PLEASE
Identify which is the result of a physical rather than
a chemical change?
Answer:
b
Explanation:
Does the atomic number of an element equal the number of neutrons in an atom of that element?
Answer:
no
Explanation:
the atomic number the just the number below the symbol of the element as well as proton number or electron number, however if u want to work out the neutron number you have do mass number (which is on the top of the symbol) substact atomic number/proton number
What is acetic acid (CH3COOH)
Answer:
Acetic acid (CH3COOH), also called ethanoic acid, the most important of the carboxylic acids. A dilute (approximately 5 percent by volume) solution of acetic acid produced by fermentation and oxidation of natural carbohydrates is called vinegar; a salt, ester, or acylal of acetic acid is called acetate.
Answer:
the acid that gives vinegar its characteristic taste. The pure acid is a colourless viscous liquid or glassy solid.
Explanation:
HOPE IT HELPS YOU......
SHOW WORK
What volume of 9.0 M copper (II) sulfate stock solution is needed to prepare 3.0 L of a 5.0 M solution?
Answer:
The volume of 9.0 M copper (II) sulfate stock solution needed to prepare 3.0 L of a 5.0 M solution is 1.667 L
Explanation:
Dilution is a process by which the concentration of a solute in solution is reduced by adding more solvent.
In other words, dilution is the procedure followed to prepare a less concentrated solution from a more concentrated one, and it simply consists of adding more solvent.
In a dilution the amount of solute does not vary. What varies in a dilution is the volume of the solvent: as more solvent is added, the concentration of the solute decreases, as the volume (and weight) of the solution increases.
The equation used in this case is:
Ci * Vi = Cf * Vf
where
Ci: initial concentration Vi: initial volume Cf: final concentration Vf: final volumeIn this case:
Ci: 9 M Vi: ? Cf: 5 M Vf: 3 LReplacing:
9 M*Vi= 5 M* 3 L
Solving:
[tex]Vi=\frac{5 M*3 L}{9 M}[/tex]
Vi= 1.667 L
The volume of 9.0 M copper (II) sulfate stock solution needed to prepare 3.0 L of a 5.0 M solution is 1.667 L
What does this rising heat and resulting convection cycle do to our rigid lithosphere
Answer:
The movement of heat by convection in the asthenosphere causes the rock of the mantle to slowly move in huge streams. ... As the rock of the asthenosphere moves in different directions, it carries parts of the lithosphere along with it. The lithospheric rock can't stretch, so it breaks into pieces--forming the plates.
Explanation:
Compare and contrast the Ionization energies of groups 1&2 (Alkali and Alkaline metals) with the Ionization energies of groups 16&17 (Oxygen family and Halogens)
Answer:
Ionization energy is the energy required to remove an electron from a specific atom. It is measured in kJ/mol, which is an energy unit, much like calories. The ionization energies associated with some elements are described in the Table 1. For any given atom, the outermost valence electrons will have lower ionization energies than the inner-shell kernel electrons. As more electrons are added to a nucleus, the outer electrons become shielded from the nucleus by the inner shell electrons. This is called electron shielding .
Explanation:
a little summary
Ionization energy refers to the amount of energy needed to remove an electron from an atom.
Ionization energy decreases as we go down a group.
Ionization energy increases from left to right across the periodic table.
what percentage will have heterozygous genotype?
Answer:
In another example (shown below) if the parent plants both have heterozygous (YG) genotypes, there will be 25% GG offspring in average. These percentages are determined based on the fact that each of the 4 offspring boxes in a Punnett square is 25% (1 out of 4)
I hope this helps! :D
How many molecules are in a 89.2 gram sample of carbon dioxide (CO2)
A tall plant (Tt) is crossed with a short plant (tt). What is the phenotype of the offspring?
Group of answer choices
100%
75% tall; 25% short
25% tall; 75% short
50% tall, 50% short
Give one hazard of using sodium hydroxide and state how to reduce the risks from this hazard.
Answer:
Sodium hydroxide is very corrosive. It can cause irritation to the eyes, skin, and mucous membrane; an allergic reaction; eye and skin burns; and temporary loss of hair. Workers may be harmed from exposure to sodium hydroxide.
Explanation:
How to reduce:
Inhalation: Move victim to fresh air.
Skin Contact: Avoid direct contact
Eye Contact: Avoid direct contact
Ingestion: Have victim rinse mouth with water.