What volume do 4.96 moles of O2 occupy at STP?

Answers

Answer 1

Answer: Step 1: List the known quantities and plan the problem. Known. 4.96 moles O2; 1 mol = 22.4

Explanation: I hope that helped.


Related Questions

in an equilibrium reaction with a Keq of 1×10^8,the-

A) reaction are favored
B) reaction is exothermic
C) products are favored
D) reaction is spontaneous​

Answers

It is not exothermic because it would be negative. Since energy is required it is not spontaneous. Since heat is a reactant since the equation is endothermic since the Keq is positive, the reactants would be favored. (A)

write the name of and molecular formula of compound which gives hydrogen ion and chloride ion in the solution state. in which colour is the methyl orange changed after treating it with this compound. why? write the name of salt when the compound is treated with lime water. write the chemical equation. ​

Answers

I hope it is helpful for you .....


7. At what structures in the lungs do the exchange of oxygen and carbon dioxide take place?
A. Bronchi B. Alveoli C. Bronchioles D. Trachea
LA​

Answers

Answer:

Answer is Alveoli

Hope it helps.... plz mark as brainliest

How many electrons does gallium give up when it becomes an ion?

Answers

Answer:

3 electrons comrade

Explanation:

write the number 3000,000,000 in scientific notation

Answers

Answer:

3 x 10^9

Explanation:

as water cruise to a temperature of zero degrees Celsius and form ice water molecules tend to
A. move faster apart
B. vibrate rapidly
C. flow more randomly
D. gradually expand

Answers

Answer:

B. vibrate rapidly

Explanation:

Mark above answer as BRILLIANT

giveaway!! 2 more coming up.

hope you get it ! <3

Answers

Answer:

k

Explanation:

Thank you for hosting <3

how many atoms are in Tetrachloroauric acid

Answers

Answer:

29 i think

Explanation:

i need to know what word goes into that the words are in each sentence plz help me i will give brainliest thank you :)

Answers

Answer:

im taking these points baby lol

Explanation:

i love you  <3

Please help me with these questions... please..

Imagine you are a scientist who has just discovered a new element. The element has an atomic number of 113, and it has three elections in the outer energy level of each atom.
Which element would have properties most similar to the new element?
Group of answer choices

A.boron
B.carbon
C.hydrogen
D.beryllium

What would you name this new element?

Answers

Answer:

3 valence electrons

The element with the atomic number 113 would fall in the 13th column of the periodic table Group IIIA. This group has an electron configuration that would end as p1 , meaning there would be 3 valence electrons. The valence electrons are the electrons found in the highest energy level in the s and p orbital.

Explanation:

Nihonium has to be the #113 element of the periodic table

A. is the correct answer because Boron has 3 electrons too,

All elements in Group 13 have three electrons in their outermost energy level. The two most popular elements in this group are Boron and Aluminum.

Boron element would have properties most similar to the new element. Therefore, option (A) is correct.

Why do the elements of same group have similar chemical behavior?

The chemical properties of elements depend on the number of valence electrons in their valence shell. Elements in the same group in the modern periodic table have the same number of valence electrons. Therefore, chemical elements situated in same group of the modern periodic table have similar chemical behavior.

The chemical elements having an identical outer electronic configuration in their atoms are placed in the same group of the periodic table. These valence electrons of an element are responsible chemical behavior and reactivities of the elements.

Therefore, both Boron and a new element with atomic number 113  have three electrons in their valence shells. So they belong to the same group and will have similar chemical properties.

Learn more about elements with similar chemical behavior, here:

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Hydrogen is considered to be a (metal, non-
metal) of relatively (high, low) electronega-
tivity.
1. nonmetal; low
2. nonmetal; high
3. metal; low
4. metal; high

Answers

Answer:

the answer is 1. nonmetal; low

Which of the following solutions of glucose in water will have the lowest freezing point?
(The molar mass of glucose is 180 g/mol.)

Answers

Answer:

B

Explanation:

Colligative properties are properties that depend on the amount of substance present.

Freezing point is a colligative property hence it depends on the number of moles of the glucose present in solution. The bigger the concentration of the glucose molecules, the greater the freezing point depression. So, the largest freezing point depression is observed for the solution having the highest concentration of glucose.

Suppose while walking along the beach, you find a green crystal. Which properties could you use to determine whether the crystal is an emerald?

Answers

Explanation:

Emerald is defined by its green color. To be an emerald, a specimen must have a distinctly green color that falls in the range from bluish green to green to slightly yellowish green. To be an emerald, the specimen must also have a rich color.

A teacher attaches two slinky springs to a fixed support. The springs are moved, as shown in the image. Wave A wave B What property of the wave does the teacher change in the movement of each slinky? amplitude,frequency, speed, or wavelength​

Answers

Answer:

a changes more because it going higher

Explanation:

Answer:

They will be the same because amplitude doesn't affect speed. A physics teacher attaches a slinky to the wall and begins introducing pulses with different wavelength. The denser the medium at the compression, the greater the amplitude of the wav

Explanation:

Choose the electron configurations which are possible for an unexcited atom. Example 1 – 1s22s22p4 Example 2 – 1s22s22p63s23p33d1 Example 3 – 1s22s22p83s1 Example 4 – 1s22s22p63s1

Answers

Answer:

Examples 1, 3 and 4

Explanation:

An unexcited atom is an atom in the ground state i.e the atom has it's valence electrons in it's lowest energy level possible. This actually implies the normal electronic configuration of the atom. Thus, examples 1, 3 and 4 have the actual electronic configuration with there valence electrons in the lowest possible energy level.

Example 1: 1S² 2S² 2P⁴

Example 3: 1S² 2S² 2P⁶ 3S¹ (There seem to be a mistake in the question provided, P energy level can only 6 electrons not 8)

Example 4: 1S² 2S² 2P⁶ 3S¹

NOTE: If you take a look at example 2, it will be deduced that the 3P energy level has only 3 valence electrons and the last valence electron jumped to 3d energy level; making that atom appear to be in it's excited state.

JANKS is looking under a microscope and sees a colony of green cells living on a spherical structure. She is most likely to be observing a...

A. volvox
B. Amoeba
C. Paramecium
D, Euglena

Answers

Answer:

euglena

Explanation:

hope this helps

is this a balanced equation?

Answers

Answer:

C6 H12 O6 +6 O 2 → 6 CO2 + 6 H2 O

All atoms of the same element:

have the same number of electrons
have the same number of protons
have the same number of atoms
have the same number of neutrons

Answers

Answer:

have the same number of atoms

Explanation:

Atoms of the same element have the same atomic number so the number of protons (and electrons) are same. But they have same or different mass number (like that for isotopes) . Different mass number will have different number of neutrons.

Answer:

Same number of atoms

(Mark the other person brainliest :-D)

Explanation:

Which of the following geographical features acted as a natural defense for Egypt against enemies from the south? A. the Nubian desert B. the Mediterranean Sea C. the cataracts of the Nile D. the black silt on the river banks Please select the best answer from the choices provided A B C D

Answers

Answer:

C

Explanation:

The geographical features acted as a natural defense for Egypt against enemies from the south is cataracts of Nile. Hence, option C is correct.

What is cataracts of Nile ?

The Nile River, one of Egypt's most notable natural features, was the envy of neighboring civilizations and allowed the Egyptians maintain contact with populations in the Mediterranean region.

Huge deserts extend well beyond the lush terrain that surrounds the Nile River on both sides. The Sahara Desert, the world's biggest desert, is to the west. More desert and the Red Sea may be found east of the Nile. These deserts served as an excellent natural defense against invaders.

The Egyptians had built-in fortifications thanks to the river and the desert. The delta of the Nile River is swampy. Egypt was unable to construct a port at the mouth of the Nile as a result. Invaders found it hard to approach Egyptian villages along the river as a result.

Find more on Nile river:

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There are _____ Chemical families in the periodic table.

Answers

Explanation:

18

In chemistry, a group (also known as a family) is a column of elements in the periodic table of the chemical elements. There are 18 numbered groups in the periodic table; the f-block columns (between groups 3 and 4) are not numbered.

During active transport, molecules move from areas of ______________ to _______________. This requires the use of _________.

Answers

Molecules move from areas of low concentration to areas of high concentration. This requires the use of energy.

When the temperature of substance
decreases, what happens to the
substances thermal energy?

Answers

Explanation:

When a substance is heated, it gains thermal energy. Therefore, its particles move faster and its temperature rises. When a substance is cooled, it loses thermal energy, which causes its particles to move more slowly and its temperature to drop.

When the temperature of a substance is increased, i.e., if you double the Kelvin temperature of a substance, you double the average kinetic energy of its molecules. When the average kinetic energy of the molecules goes up (a rise in temperature), the average speed of the molecules increases.


If the half-life of a radioisotope is 250 years how much of a 96.0 gram sample will remain after 750 years

Answers

Answer:

12 grams

Explanation:

96g=0 years

48g=250 years

24g=500 years

12g=750 years

What do small-scale convection currents create?
A. Solar winds
B. Prevailing winds
C. Global winds
D. Local winds

Answers

Answer:

Local Winds

Explanation:

Answer: I think it would be D. Local winds

Explanation: Sorry if I am wrong.

Hope this helps :)

In metallic bonding, which of these particles are able to move around freely?

A.) protons
B.) electrons
C.) neutrons

Answers

Answer:

Electrons

Explanation:

They mad chillin da electron cloud.

A physical property tells how a substance changes into a new substance

Answers

Answer:

false

Explanation:

what does buffer do?? (Chemistry)​

Answers

A buffer is a solution that can resist pH change upon the addition of an acidic or basic components. It is able to neutralize small amounts of added acid or base, thus maintaining the pH of the solution relatively stable. This is important for processes and/or reactions which require specific and stable pH ranges. Buffer solutions have a working pH range and capacity which dictate how much acid/base can be neutralized before pH changes, and the amount by which it will change.

Answer:

C, It resists a change in pH when H+ or OH is added to a solution.

Explanation:

a p e x

Evaluating Lewis Structures
Explain what is wrong with the following structure.

An upper H is single-bonded to a H to the right, which is single bonded to an upper O with pairs of dots above, to the left, and below.

Answers

Answer:

Hydrogen cannot have more than two electrons. Hydrogen bonds to only one other atom at a time.There are too many electrons in the final structure.

Explanation:

Answer:

Explanation:

Hydrogen cannot have more than two electrons. Hydrogen bonds to only one other atom at a time. There are too many electrons in the final structure.

The energy released in cellular respiration helps an athlete perform. How do you think an athlete might be able to increase cellular respiration?

pls i will give brainliest

Answers

eating healthy foods

working out and eating healthy helps

Answer:

higher as

beacause having  a healthy diet inproves

your health

Explanation:

How do volcanos such as ojos del salado form?

Answers

Answer:

Deep inside Earth, between the molten iron core and the thin crust at the surface, there is a solid body of rock called the mantle. When rock from the mantle melts, moves to the surface through the crust, and releases pent-up gases, volcanoes erupt.

Explanation: hot molten rock, ash, and gases escape from the volcano

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