1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
lina2011 [118]
3 years ago
5

Please help me with my 8th grade chemistry, I'm behind and don't understand it at all

Chemistry
2 answers:
padilas [110]3 years ago
7 0

When a material is heated, the kinetic energy of that material increases and its atoms and molecules move about more. This means that each atom will take up more space due to its movement so the material will expand. ... Some metals expand more than others due to differences in the forces between the atoms / molecules.

love history [14]3 years ago
5 0

determine whether density can be classified as an intensive property. Examples of intensive properties include color, temperature, hardness, and density. In this lab density, the compactness of a substance, will be calculated for aluminum. Then by examining if the density is constant in five trials, which use various amounts of aluminum, the conclusion of whether density is indefinitely an intensive property for solid states of matter can be made.utilize two ionic compounds and facilitate a precipitation reaction in order to observe how the Law of Conservation of Mass applies to chemical processes, specifically, precipitation reactions

]

You might be interested in
A student dilutes 50.0 mL of a 0.10 mol/L to 0.010 mol/L. Which statement is true?​
VLD [36.1K]
The total amount of solute decreases.
6 0
3 years ago
Trong các yếu tố sau đây: nồng độ, nhiệt độ, áp suất, diện tích tiếp xúc, chất xúc tác, có bao nhiêu yếu tố có thể ảnh hưởng tới
9966 [12]

Answer:

solubility of salt at 10 degree Celsius is 20 how does it what does it means what happens if the temperature of saturated solution is increased

Explanation:

solubility of salt at 10 degree Celsius is 20 how does it what does it means what happens if the temperature of saturated solution is increased

8 0
3 years ago
Explain how an ionic compound forms from these elements.
grin007 [14]

Ionic compounds are formed by the complete transfer of electrons from more electronegative elements to less electronegative elements.

7. <u>Sodium Nitride (Na₃N)</u> is an ionic substance.

8. The ionic formula for <u>Lithium Oxide is Li₂O</u>

9. The <u>compound SrF₂</u>

10. Aluminum Sulfide is a chemical compound with the <u>formula Al₂S₃.</u>

An ionic compound is a chemical compound composed of ions held together via electrostatic forces termed ionic bonding. The compound is neutral standard but includes definitely charged ions known as cations and negatively charged ions known as anions.

An ionic compound is a chemical compound composed of ions held collectively by means of electrostatic forces termed ionic bonding. The compound is neutral normal however consists of positively charged ions known as cations and negatively charged ions referred to as anions. Ionic compounds incorporate ions and are held collectively via the attractive forces of most of the oppositely charged ions.

Learn more about ionic compounds here:-

#SPJ1

8 0
1 year ago
Like several other bonds, carbon-oxygen bonds have lengths and strengths that depend on the bond order. Draw Lewis structures fo
aniked [119]

The order of increasing C-OC−O bond length is:

                 a < c < b < e < d

                  a < c < b < e < d

Therefore, the order of increasing bond strength is:

       d < e < b < c < a

        d<  e < b < c  < a

<h3>What is bond length?</h3>

The distance between the centers of two atoms that are covalently connected is known as the bond length. The number of bound electrons determines the bond's length (the bond order). The greater the attraction between the two atoms and the shorter the bond length are, the higher the bond order.

The average distance between the nuclei of two bound atoms in a molecule is referred to as bond length or bond distance in molecular geometry. It is a transferrable characteristic of a bond between atoms of fixed kinds that is comparatively independent from the other components of the molecule.

Bond length and bond order are related; the shorter the bond is when more electrons are involved in its production.

To learn more about bond length from the given link:

brainly.com/question/28225709

#SPJ4

5 0
2 years ago
How many moles of hydrogen atoms are contained in one mole of<img src="https://tex.z-dn.net/?f=C_%7B6%7DH_%7B12%7D" id="TexFormu
Orlov [11]

The number of moles of hydrogen atoms contained in 1 mole of c6h12 is 12.

<h3>What is hydrogen made of?</h3>

Hydrogen can be produced from various domestic resources such as fossil fuels, biomass, and the electrolysis of water by electricity. The environmental sustainability and energy efficiency of hydrogen depends on how hydrogen is produced.

Hydrogen is the simplest element. Each hydrogen atom has only one proton. Hydrogen is also the most abundant element in the universe. Stars like the Sun are mainly made of hydrogen. The sun is essentially a giant sphere of hydrogen and helium gas.

Some facts about hydrogen:

  • Hydrogen is the most abundant element on earth.
  • Hydrogen is an alternative fuel with a very high energy content by weight.
  • The fuel cell can be used to power multiple applications.

  • Fuel cells are a clean way to generate electricity.

Fuel cell vehicles are very similar to traditional gasoline vehicles

Click here for more information on hydrogen atoms: https: //brainly.com/question/16847428

# SPJ10

4 0
2 years ago
Other questions:
  • What is the relationship between matter and elements
    6·1 answer
  • A compound contains only carbon, hydrogen, nitrogen, and oxygen. Combustion of 0.157 g of the compound produced 0.213 g of CO2 a
    10·1 answer
  • A thermometer reads a temperature to be 38.0 °C. What is the temperature in
    10·1 answer
  • Which family (group) of elements rarely forms chemical bonds with other elements?
    15·1 answer
  • What is number 2? the brain stem......
    13·1 answer
  • How many molecules of liquid methanol are in 10.00 mL of methanol, given its density is 0.7918 g/mL?
    6·1 answer
  • The intersection angle of a 3 degree curve is 45.2 degrees. What is the length of the curve? of Select one: O a. 455 m O b.573 m
    12·1 answer
  • How many moles are in 0.296 grams of gold?
    11·1 answer
  • PLS HELP ASAP I DONT HAVE TIME ONLY 5 MINUTES AND IM DOING OTHER THINGS HELPP
    5·2 answers
  • Name the follwing compound, KBr​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!