Please help on #7 you’ll get 12 points

Answers

Answer 1

C. When temperature increases gas molecules increase in kinetic which they move around

Related Questions

Which of the following claims about a binary compound composed of elements with the same electronegativity is most likely to be true?
A
Tully compound has properties similar to those of both elements.
The bonding in the compound is nonpolar covalent.
с
The boiling point of the compound is above 1000°C.
D
The compound contains strong ionic bonds.

Answers

I think it's D

Hope that helps

Answer: B, the bonding in the compound is nonpolar covalent.

Explanation:

This is because with the same electronegativity, there is an equal sharing of electrons, which indicates that the bonding must be nonpolar.

Both natural products and synthetic products come from natural resources. Explain why this statement is true.

Answers

Explanation:

All resources used in making all products can be traced to their natural origin. What differentiates a natural product from a synthetic one is the level of processing that goes into making synthetic products.

For example, a synthetic product such as plastic is actually derived from natural product. Instead of using the sap of rubber plants for making this product, scientists engineered a way to produce plastics from petroleum products which are derived from crude oil. Most synthetic products are merely products of alternate source of manufacturing which are well engineered.

Describe how the forces around an object can cause movement.What is net force?

Answers

Answer:

Net force is the vector sum of forces acting on a particle or body. The net force is a single force that replaces the effect of the original forces on the particle's motion. It gives the particle the same acceleration as all those actual forces together as described by the Newton's second law of motion

Explanation:

What happens to an atom when it gets oxidized?
O A. Its atomic number increases.
B. Its ionic charge decreases.
C. Its oxidation state increases.
D. Its oxidation state decreases.
SUB

Answers

The answer is C it’s oxidation state increases

Its oxidation state increases
—> C

What is the name of Ni3(PO4)2 ?

Answers

Answer: Nickel (II)Phostate

Answer: Nickel(II) Phosphate

Explanation:

I need help on this, I don’t think I’m correct on these.

Answers

Answer:

can you please take a closer pic then i can answer

Explanation:

Answer:

the only thing you need to fix is to change the ice pack to coduction because it is making contact with your skin

An isotope has 38 protons, 50 neutrons, and 36 electrons. Which of the following shows the
nuclear symbol?

Answers

Answer:

Name Strontium

Atomic Mass 87.62 atomic mass units

Number of Protons 38

Number of Neutrons 50

Number of Electrons 38

BRAINLIeST

When you see stratus clouds, what do you know about the weather?

explAin

Answers

Answer:

Stratus cloud often look like thin, white sheets covering the whole sky. Since they are so thin, they seldom produce much rain or snow. Sometimes, in the mountains or hills, these clouds appear to be fog. Cumulonimbus clouds grow on hot days when warm, wet air rises very high into the sky.

Aunque ambos presentan enlace intermolecular puente hidrógeno, el amoníaco es muy soluble en agua mientras que el ácido bórico es insoluble a bajas temperaturas. Explique por qué.

Answers

Answer:

Ver explicacion

Explanation:

Sabemos que tanto el ácido bórico como el amoníaco contienen enlaces de hidrógeno intermoleculares.

Sin embargo, la disolución del ácido bórico en agua es endotérmica. Esto explica la dependencia de la temperatura de la reacción. Las reacciones de avance endotérmico no se favorecen a baja temperatura. Por tanto, el ácido bórico no es soluble a baja temperatura.

Sin embargo, la disolución del amoniaco en agua es exotérmica.

How many atoms of Nitrogen are there in this molecule: 3Ca(NO3)2 ?

Answers

Answer:

Calcium Nitrate is made up of three different elements and contains a total of nine atoms. This compound's formula is Ca(NO3)2. There is one calcium atom, two nitrogen atoms, and there are six oxygen atoms in calcium nitrate.

There are nine atoms altogether in the three distinct elements that make up calcium nitrate. Ca(NO3)2 is the formula for this substance. Calcium nitrate contains one calcium atom, two nitrogen atoms, and six oxygen atoms.

What is calcium nitrate ?

Calcium nitrate is an inorganic substance having the formula Ca(NO3)2x. The tetra hydrate is created when the anhydrous chemical, which is uncommon, takes in moisture from the atmosphere. Salts come in two different forms: anhydrous and hydrated.

Calcium nitrate is a chemical compound that dissolves in water and has several applications, including the treatment of water, fertilizers, concrete, and cold packs. Calcium nitrate is mostly utilized in wastewater treatment to eliminate hydrogen sulfide-related odors and guard against oxygen shortage.

It used as a fertilizer in agriculture and as an oxidizing agent in the production of matches. Additionally, the explosives and pyrotechnics industries employ it. In the light business, it is used to create chimneys for incandescent lamps and fireworks. used as a starting point for the production of additional nitrate compounds.

Thus, there are 2 nitrogen atom present in calcium nitrate.

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Name one feature present in both an animal cell and a plant cell

Answers

Answer: A Nucleus is present in both the plant and animal cell

Explanation:

HELP! Answer the question below PLEASE

Answers

Answer: Francesco Redis Experiment part 1 : The maggots were not observed in setup B and setup C because the jars were covered.

part 2 : He discovered that maggots appeared on the meat in the control jar, the jar left open. No maggots appeared in the jar covered with gauze.

Pasteur Experiment

part 1:In the pastures Experiment the microorganisms come from the air.

part 2:Louis Pasteur's pasteurization experiment illustrates the fact that the spoilage of liquid was caused by particles in the air rather than the air itself.

Explanation:

Which type(s) of elements bonded to form the solute that would be considered ionic
and which type bonded to form the solute that would be considered covalent? (i.e.
metal with nonmetal, metal with metal, nonmetal with nonmetal)

Answers

Answer:

Ionic Bonds are formed from metal to nonmetals. Covalent Bonds usually form from nonmetals.

Explanation:

Which three structures are found in both prokaryotic and eukaryotic cells?

Answers

Answer:

plasma membrane, ribosomes, and DNA

Explanation:

Both prokaryotic and eukaryotic cells have structures in common. All cells have a plasma membrane, ribosomes, cytoplasm, and DNA. The plasma membrane, or cell membrane, is the phospholipid layer that surrounds the cell and protects it from the outside environment.

When a substance dissolved in a liquid, its dippears? truth or false

Answers

Answer:

False, I doesn't just disappear into thin air it dissolved so it mixes with the other thing. So now it is transparent AKA see through

Explanation:

A neutral atom of gold has the same number of electrons and what?

Answers

atomic mass!!! the electrons and atomic mass will always be the same most the time

Tasting is not advisable method for identifying substance?? True or False

Answers

False you should never taste something if you don’t know what it is

i’ll give brainliest just please help me out with the answers haha thanks <3

Answers

Answer:

i dont see tha pic

Explanation:

what is causing the ice in Antarctica to melt at an accelerating rate?

Answers

Answer:

I'm not 100% sure but i would guess global warming if anything

Explanation:

please do not put this as your answer if your not sure if its correct

When determining whether a chemical reaction has taken place you observe and look for several indicators. Which would be considered an indication that a chemical reaction or chemical change has taken place? es -) A) Solid melts. B) Heat is given off. Substance dissolves D) Substance changes shape. Physical Science

Answers

Answer:

B) Heat is given off.

Explanation:

When heat is given off, a chemical change must have occurred and such a reaction is termed an exothermic reaction.

A chemical change is one in which;

the process is not easily reversibleleads to the production of new kinds of matterinvolves change in mass requires a considerable amount of energy.

Most chemical reactions are accompanied by heat changes.

54. Copper(I) sulfide is formed when copper and sulfur are
heated together. In this reaction, 127 g of copper reacts
with 41 g of sulfur. After the reaction is complete, 9 g of
sulfur remains unreacted. What is the mass of copper
sulfide formed?
SEL
Ma

Answers

Answer:

159g

Explanation:

Copper (I) sulfide is formed by the chemical reaction between copper and sulfur. Copper is a limiting reagent that results in the formation of 190.26 grams of copper(I) sulfide.

What is a limiting reagent?

A limiting reagent is defined as the reactant that gets completely utilized in the reaction and affects the amount of the product formation. On the contrary, the excess reagent is present in more amounts.

Given,

Mass of copper = 127 gm

Mass of sulfur = 41 gm

Moles of copper:

n = mass ÷ molar mass

n = 127 ÷ 63.546

n = 1.99

Moles of sulfur:

n = 41 ÷ 32.065

n = 1.27

The reaction is shown as:

Cu + S → CuS

Here, 9 g of sulfur remains unreacted and hence is an excess reagent, and copper being consumed is a limiting reagent.

Here, 1 mole of copper reacts to form 1 mole of copper sulfide hence, 1.99 moles of Cu produces, 1.99 moles of copper sulfide.

Mass of CuS is calculated as:

Mass = moles × molar mass

Mass = 1.99 mol × 95.611 g/mol

= 190.26 grams

Therefore, 127 gm of copper and 41 gm of sulfur produces 190.26 grams of copper sulfide.

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Is the following equation balanced?

Mg + 2HCl MgCl2 + H2

Answers

Yes!! It is balanced:)

At room temperature though which of the following substances would sound travel the slowest

Answers

Give me a list of objects

Answer:

oxygen

Explanation:

what are the steps from dalton's atomic theory to stoichiometry?

Answers

Answer:

Dalton's atomic theory proposed that all matter was composed of atoms, indivisible and indestructible building blocks. While all atoms of an element were identical, different elements had atoms of differing size and mass.

what element has an electron configuration of 2-1:

Answers

Answer:

Lithium

Explanation:

The element with electronic configuration of 2, 1 is helium.

In the electronic configuration, we are able to know that the total number of electrons the atom contains is 3. Also, the element has one electron in the outer most shell.

Elements with one valence electrons are the alkali metals.

Therefore, this configuration clearly matches Lithium.

Please help!!!! This is due tomorrow

Answers

Answer:

An ion is a charged atom or molecule. Ions are formed by the addition of electrons to, or the removal of electrons from, neutral atoms or molecules or other ions. Positive ions are called cations and negatively charged ions are called anions.

Compared to H2S, the higher boiling point of H2O is due to the
1.
greater molecular size of water
2.
stronger hydrogen bonding in water
3.
higher molarity of water
4.
larger gram-formula mass of water

Answers

Answer:

2, stronger hydrogen bonding

Explanation:

[tex]\rm H_2O[/tex] has higher boiling point than [tex]\rm H_2S[/tex], as there has been stronger hydrogen bonding in [tex]\rm H_2O[/tex]. Thus, option 2 is correct.

The boiling point has been the temperature at which the liquid has been converted to the gaseous form. The boiling point has been based on the intemolecular attractions between the atoms.

Higher boiling point

Based on the intermolecular interactions, the compound with higher intermolecular force required more energy to break the bond and change the state, and thus have high boiling point.

The hydrogen sulfide and water has hydrogen bonding. The hydrogen bonding has been based on the electronegativity of the atom involved. The more electronegative atom, stronger will be hydrogen bonding and thereby higher boiling point.

In [tex]\rm H_2S[/tex] and [tex]\rm H_2O[/tex], the oxygen has been more electronegative than sulfur and thus results in stronger hydrogen bonding.

Thus, [tex]\rm H_2O[/tex] has higher boiling point than [tex]\rm H_2S[/tex], as there has been stronger hydrogen bonding in [tex]\rm H_2O[/tex]. Thus, option 2 is correct.

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Question 1 of 5
Which two chemicals are products in the following chemical reaction?
PbO2 + 4HCI
PbCl2 + Cl2 + 2H20
A. HCI
B. PbO2
O C. PbCl2
D. Cl2

Answers

i think C and D. PbCl2 and Cl2

The correct answer is D and C

2. Which one of the following statements is true about halogens?
They're never found as individual elements in nature because they are not reactive.
They're commonly found by themselves in nature.
None of the answers are true.
They're never found as individual elements in nature because they are so reactive.

Answers

Answer:

They're never found as individual elements in nature because they are so reactive.

Explanation:

Halogens are a highly reactive group of elements. They are usually found combined in nature.

Because each of the elements has seven electrons in the outer shells of their atoms the elements are all univalent and also acceptors of electrons. They are all non-metals and oxidizing agents. This makes the elements in this group highly reactive and combine readily with other species in nature.

HELPPPPPPPPP ASAPPPP!!!!!

Answers

Answer :
B

!!!!!!!!!!!!!!!

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