Is crumpling a sheet of paper a physical or chemical change? Why?

Answers

Answer 1

Answer: I believe it is a physical change. Crumpling a sheet of paper does not change any properties of the paper and it does not form a new substance it must be a physical change. It is only the shape or form of the paper that is being changed. Hope this answers the question.

Answer 2

Answer: It's a physical change. You're not changing the chemical make up of the piece of paper. Only the appearance.

Related Questions

Marshall determines that a gas has a gauge pressure of 276 kpa what's the absolute pressure of the gas
Bond the following atoms. Determine if they are ionic or covalent, circle your choice. Show the valence electrons and how they are either shared between the atoms or how they are transferred between atoms. Then write the chemical formula in the space provided.Ionic or covalentC ClFormula ____________ Ionic or covalentMg ClFormula _____________
How many protons and electrons are in an atom of sodium whose atomic number is 11?
A biochemist is attempting to replicate a chemical reaction that commonly takes place in cells. During the chemical reaction, starch is broken down into glucose. What will most likely happen if the amount of enzyme that catalyzes this reaction is increased? A. The reaction will stop. B. The reaction will slow down. C. The reaction will speed up.
What is the ratio of sodium ions to bromide ions in neutral sodium bromide?

The melting points of canola oil, corn oil, sunflower oil, and peanut oil are 10°C, –11°C, –17°C, and –2°C. If you cool a mixture of these oils to 5°C, which one can you separate easily?

Answers

You can separate out the canola oil easily, because it has cooled down enough to turn back into a solid.

What should you look for in a chemical formula to decide is a compound or element will not combust

Answers

To determine whether a chemical formula represents a compound or element that will not combust, you need to consider the elements present in the formula and their respective properties.

How we can determine combustibility?

First, check if the formula contains only one type of element. If it does, then it represents an element, and the question of whether it will combust or not is irrelevant, as elements do not combust.

If the formula contains two or more different elements, then it represents a compound. To determine if the compound will combust, you need to look at the properties of its constituent elements.

Some elements, such as noble gases (e.g., helium, neon, argon), have very low reactivity and are unlikely to combust under normal conditions. Therefore, if the compound contains only noble gases, it is unlikely to combust.

Other elements, such as metals, are more reactive and can combust under certain conditions, such as exposure to heat or oxygen. Therefore, if the compound contains a metal, you need to check the reactivity of that metal to determine if the compound will combust.

Similarly, non-metals can also be combustible under certain conditions, such as exposure to heat or other reactive substances. Therefore, if the compound contains a non-metal, you need to check the reactivity of that non-metal to determine if the compound will combust.

Overall, to determine if a compound or element will combust, you need to consider the properties of its constituent elements and any external conditions that may affect its reactivity.

Find more on combustible gases:

brainly.com/question/8635398

#SPJ3

You will look at its number lets say if you had H2O which is two hydrogen and one oxygen. The two hydrogen is combined with oxygen sharing it's electrons making it being covalent bonding. You need 8 valence electrons that meaning full outershell. Hydrogen only has one in it outershell oxygen has 6 that's what can make a compound

The electron affinity of an atom typically depends on theA. mass of the atom's nucleus.
B. number of electrons already present in the atom.
C. number of neutrons in the nucleus of the atom.
D. availability of an unfilled orbital in the atom.

Answers

Option D: availability of an unfilled orbital in the atom.

This is true because the atoms will try to complete the octete (8 electrons in the last p level)

Another name for the activated complex is _____.a. energy barrier
b. transition state
c. rate limiter
d. collision group

Answers

Answer:

Another name for the activated complex is Transition State.

Explanation:

According to Collision Theory for a chemical reaction to occur the reactants must collide with proper orientation and required energy. In this way the old bonds are broken and new bonds are formed. The mid point of highest energy at which both bond formation and breakage is taking place is called activation complex, a complex in between reactant and product.

The energy of this complex is the minimum amount of energy required for a particular reactants to convert into products and is called as Activation Energy.

This activation complex is also termed as Transition State because according to Transition State Theory at transition state the existing bonds tend to increase in length and become weaken while, the new forming bonds tend to decrease in length and start becoming stronger. Hence, the activated complex is in transition between reactants and products.

Using the following phase diagram, the area labeled A is in what phase?Solid

Liquid

Gas

Answers

Using the following phase diagram, the area labeled A is in what phase?Using the following phase diagram, the area labeled A is in the liquid phase.

If 2.0 moles of a substance are dissolved in 2.0 liters of solution, then the molarity of this solution is:0.5 M

1.0 M

1.5 M

2.0 M

Answers

There are a number of ways to express concentration of a solution. This includes molarity. Molarity is expressed as the number of moles of solute per volume of the solution. The concentration of the solution is calculated as follows:

Molarity = 2.0 moles / 2.0 L

Molarity = 1.0 M

Answer:

1.0 M

Explanation:

Hello,

Molarity is a unit of concentration accounting for the amount of the moles of a solute per liter of solution as shown below:

$M=(n_(solute))/(V_(solution))$

In such a way, given the information on the statement, the resulting molarity turns out into:

$M=(2.0 mol)/(2.0 L)=1.0(mol)/(L)=1.0M$

Do not forget that mol per liters means molar units (M) as well.

Best regards.

Other Questions

The Solvay process is a multistep industrial process used to produce washing soda, Na2CO3(s). In the last step of the Solvay process, NaHCO3(s) is heated to 300°C, producing washing soda, water, and carbon dioxide. This reaction is represented by the balanced equation below.2NaHCO3(s) + heat ==> Na2CO3(s) + H2O(g) + CO2(g) Write the IUPAC name for washing soda.

In a chemical reaction, substance R reacts with compound XY to produce 47.0 g of compound RX. If the theoretical yield of RX is 56.0 g, what is its percent yield?

Iron has a density of 7.86 g/cm3 (1 cm3=1 mL). Calculate the volume (in dL) of a piece of iron having a mass of 4.01 kg . Note that the density is provided in different units of volume and mass than the desired units of volume (dL) and the given units of mass (kg). You will need to express the density in kg/dL (1 cm3 = 1 mL) before calculating the volume for the piece of iron.

Calculate the percentage of iron in iron (III) sulphate