Chemistry High School

WILL MARK BRAINLIEST
*please answer correctly*
I’ve been stuck on this question for a while so I’d appreciate it

WILL MARK BRAINLIEST *please Answer Correctly*Ive Been Stuck On This Question For A While So Id Appreciate

Answers

Answer 1
okay so i think to calculate volume change you use the ideal gas law . this is pressure x volume = amount of substance x ideal gas constant x temperature. i honestly don’t know where to go from there but i hope this helped a bit :(

Related Questions

Atoms of which two elements have a combined total of 23 protons?
A.Sodium, Na, and magnesium, Mg
B.Boron, B, and carbon, C
C.Copper, Cu, and zinc, Zn
D.None of these

Answers

Answer:

A

Explanation:

Sodium has 11 electrons and Magnesium has 12 electrons. Since here you need to consider atoms, they must have equal amount of protons as electrons to be considered neutral, and so an atom.

So simply 11+12 =23

Which of the following is an example of the reflection of waves?
A)getting a sunburn
B)Your image in a mirror
C)light through the sunroof of a car
D)The movement of a sailboat

Answers

Answer:

C

Explanation:

The law of reflection says that for specular reflection the angle at which the wave is incident on the surface equals the angle at which it is reflected.

To have a system you need more than one magnet .
true or false


Answers

Answer:

True

Explanation:

Answer: true

Explanation:

What does the cardiovascular system do
for the human body?

Answers

Answer: The blood circulatory system (cardiovascular system) delivers nutrients and oxygen to all cells in the body.

Explanation:

I WILL GIVE YOU BRAINLY PLSS!!! :(




Budding is a form of ______________ reproduction in which a new ______________
develops from a bud or outgrowth due to _________ division. The new organism remains
attached as it grows, separating from the ___________________ only when it is mature.
3. Vegetative reproduction is a form of _____________ reproduction in ___________ .
It is a process by which new organisms are produced without _______________ or
_______________ . It can occur naturally or be induced by ______________________ .

Answers

Answer:

Budding is a type of asexual reproduction in which a new organism develops from an outgrowth or bud due to cell division at one particular site.

Explanation:

Answer:

Budding is a type of asexual reproduction in which a new organism develops from an outgrowth or bud due to cell division at one particular site.

Explanation:

Select the correct answer.

What is the formula of the compound vanadium(V) oxide? Use the list of polyatomic ions and the periodic table to help you answer.

A.
VO2
B.
VO5
C.
V5O2
D.
V2O5
E.
V2O2

Answers

Answer:

Vanadium(V) oxide is the inorganic compound with the formula V2O5. Commonly known as vanadium pentoxide,

Explanation:

then it is answer D

How many moles of Fe2O3 were used to produce with 11.5 moles of CO2 ?

Answers

Moles of Fe2O3 used : 3.83

Further explanation

Given

11.5 moles of CO2

Required

moles of Fe2O3

Solution

Reaction

Fe2O3 + 3CO ⇒2Fe + 3CO2

The reaction coefficient shows the mole ratio of the reacting compound (reactants or products)

From the equation, mol ratio of Fe2O3 : CO2 = 1 : 3, so mol Fe2O3 :

= 1/3 x moles CO2

= 1/3 x 11.5

= 3.83 moles

A process that releases heat, such as freezing or condensation is called?

Answers

Answer:

exothermic

Explanation:

An exothermic reaction gives off heat energy. Condensation is the process by which water vapor turns into liquid water. This typically occurs when water vapor molecules come into contact with cooler molecules. This causes the water vapor molecules to lose some energy as heat which is a exothermic reaction.

When water becomes a solid, it releases heat, warming up its surroundings. This makes freezing an exothermic reaction.

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