Molding a shape from soft, malleable material (clay or plaster) or constructing a shape from harder material (such as metal or paper). Molding is what a child does with Play-Doh or origami.

Answers

Answer 1

Answer:

Complete question is;

Molding a shape from soft, malleable material (clay or plaster) or constructing a shape from harder material (such as metal or paper) is called what?

Molding is what a child does with Play-Doh or origami

Answer:

Modeling

Explanation:

In chemistry, we have a branch called modeling chemistry. In modeling, we organize together a series of models instead of a collection of topics. In this approach, we will begin with a phenomena that can be readily observed and are gradually develop the simplest model of matter that helps us make sense of our observations.

Now in the question, we are Molding a shape from soft, malleable materials like clay/plaster or constructing from harder materials like metal/paper. This means that we are organizing a series of models from either soft & malleable or harder materials to produce a simple model shape.

Thus, this is simply modeling.

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When the blood supply to a portion of the brain is blocked, this causesa. a. blackout
b. dizzy spells
c. stroke
d. heart attack

Answers

When blood supply is blocked by a clot in the brain it is called a stroke.

When floral design first emerged as an art form, which technique was emphasized?

Answers

using flowers in their natural state and shape

The reactants in a chemical reaction contain 900 J of chemical energy. The products of the reaction contain 9000 J of chemical energy. Which statement best describes this chemical reaction? The reaction absorbs 9000 J of energy from the surroundings as it proceeds. The reaction releases 9000 J of energy to the surroundings as it proceeds. The reaction absorbs 8100 J of energy from the surroundings as it proceeds. The reaction releases 8100 J of energy to the surroundings as it proceeds. The answer is C

Answers

For the reaction to take place the energy of the reactants must reach to the energy level of the products:
we have 900 J in the reactants and 9000 J for the products so the reactants need 8100 J to reach to the value of energy of products (900 + 8100 = 9000)
So the correct answer is C. The reaction absorbs 8100 J of energy from the surroundings as it proceeds.

The reaction absorbs 8100 J of energy from the surroundings as it proceeds.

If 6.49 mol of ethane (C2H6) undergo combustion according to the unbalanced equationC2H6 + O2 −→ CO2 + H2O ,
how many moles of O2 is required?
1. 27.79
2. 7.63
3. 8.4
4. 25.48
5. 12.635
6. 21.035
7. 23.8
8. 19.04
9. 22.715
10. 26.775
Answer in units of mol.

Answers

Answer:

22.715 moles of oxygen are used

Explanation:

Given data:

Number of moles of ethane = 6.49 mol

Number of moles of O₂ required = ?

Solution:

Chemical equation:

2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O

Now we will compare the moles of oxygen with ethane.

C₂H₆ : O₂

2 : 7

6.49 : 7/2×6.49 = 22.715 mol

Thus, 22.715 moles of oxygen are used.

Which of the following most likely requires intermolecular forces?A.a spider walking on the bottom of a leaf
B.a rock maintaining its solid shape
C.a koala using claws to hold onto a tree

Answers

A rock maintaining its solid shape is one that required intermolecular forces. Thus, option (B) is correct.

What are the intermolecular forces?

Intermolecular forces are those forces that maintain chemical interactions between molecules of a substance and other types of particles present in the substance.

Rocks are constructed of different particles held together by various types of intermolecular forces depending on the kinds of particles present in the rock. Intermolecular forces can occur among molecules and other particles in a solid compound.

Intermolecular forces can either be attractive forces or repulsive forces. The molecules of opposite charges such as positive and negative charges can have attraction between them. While repulsion occurs between particles with similar charges such as between positive and positive charges.

The Intermolecular forces maintain the integrity of the structure of that compound. Intermolecular forces in compounds exist such as electrovalent bonds, covalent bonds, Vander Waals forces, hydrogen bonds, etc.

Learn more about Intermolecular forces, here:

brainly.com/question/9007693

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A spider walkng on the bottem of the leaf

Which term describes this reaction? CH3Br(aq) + OH-(aq) -> CH3OH(aq) + Br-(aq) A. addition B. condensation C. elimination D. substitution

Answers

Answer is: D. substitution.

Substitution reaction or single displacement reaction is a chemical reaction in which one functional group in a chemical compound is replaced by another functional group.

Balanced chemical reaction: CH₃Br(aq) + OH⁻(aq) → CH₃OH(aq) + Br⁻(aq).

In this balanced chemical reaction hydroxy group OH⁻ replaced one atom of bromine (Br⁻) in methyl bromide (CH₃Br).

Answer : The correct option is, (D) Substitution reaction.

Explanation :

Addition reaction : It is a type of reaction in which a molecule combined with the another molecule to give a new larger molecule.

The general representation of this reaction is,

$A+B\rightarrow C$

Condensation reaction : It is a type of reaction in which two molecules combine to form a larger molecule and also producing a smaller molecule such as water.

$R_1-OH+H-OOCR_2\rightarrow R_1-O-COR_2+H_2O$