Which molecule would have this shape?

Chemical reactions occur when chemical bonds between atoms are formed or broken. The substances that go into a chemical reaction are called the reactants, and the substances produced at the end of the reaction are known as the products.

The end of a chemical reaction is the product.

What is a chemical reaction?

A chemical reaction contains a reactant that reacts to form products. The reactant can be more than two, and the product can be two or more.

Food spoiling is a chemical reaction because it has an unpleasant odor, taste, and color change. Fruits undergo a chemical shift as they ripen. For instance, both the texture and color may change.

When we balance a chemical process, the number of moles or atoms on the left must match the amount on the right. Thus, the atoms participating in such a chemical process are discovered to have mass.

Chemical elements are uncontaminated by impurities or other elements and are pure substances made up of just one type of atom. They are found in the crust of the earth. Carbon, hydrogen, and oxygen are some examples.

Therefore, the end is the product.

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Answer:

yaaaaa babdbabaaaa lolll

Explanation:

Answer:11.35 g/cm 3

Explanation:

Length

= 2.0 dm = 20 cm

Breadth

= 8.0 cm

Height

= 35 mm = 3.5 cm

Volume of block

V = ℓ ⋅ b ⋅ h = 20 cm × 8.0 cm × 3.5 cm = 560 cm

3

Density of lead is

Density

=

Mass

Volume

=

6356 g

560 cm

3

=

11.35 g/cm

3

Explanation:

Answer:

To lower the activation energy of a reaction

Explanation:

i just took the test and got it right ...... i hope this helps :)

Answer : The correct option is (A) 51.0 mL

Explanation :

As we know that water displaced is equal to the volume of sphere.

Now we have to determine the volume of sphere.

Formula used:

Volume of sphere = [tex]\frac{4}{3}\pi r^3[/tex]

where,

r = radius of sphere

Given:

Diameter of sphere = 4.6 cm

Radius of sphere = [tex]\frac{Diameter}{2}=\frac{4.6cm}{2}=2.3cm[/tex]

So,

Volume of sphere = [tex]\frac{4}{3}\times 3.14\times (2.3cm)^3[/tex]

Volume of sphere = [tex]50.94cm^3\approx 51.0 cm^3[/tex]

Water displaced = Volume of sphere = [tex]51.0 cm^3[/tex]

We know that:

[tex]1cm^3=1mL[/tex]

So,

Water displaced = 51.0 mL

Therefore, the correct option is (A) 51.0 mL

Answer:

A. 51.0 mL

Explanation:

i did this question in my quiz :)

Answer:

The pot is a closed system heat can escape, but matter cannot

Explanation:

Answer:

Mintu should chosen a material with a lower specific heat

Explanation:

I got the answer right on the test trust me it is correct

Answer:

Amino Acids

Explanation:

What Are Proteins Made Of? The building blocks of proteins are amino acids, which are small organic molecules that consist of an alpha (central) carbon atom linked to an amino group, a carboxyl group, a hydrogen atom, and a variable component called a side chain.

Answer:

Amino Acids

Explanation:

Answer:

During the process of reaching thermal equilibrium heat is transferred between the object. heat is always transferred from the object at the higher temperature to the object with lower temperature. For a gas, the heat transfer is related to a change in temperature.

Answer:

[tex]P=5.8x10^2kPa[/tex]

Explanation:

Hello.

In this case, since chlorine gas is assumed to behave ideally, we can use the ideal gas equation in order to compute the required pressure:

[tex]PV=nRT[/tex]

In such a way, since the temperature must be in kelvins and the volume in liters for the universal gas constant:

[tex]T=5+273.15=278.15K\\\\V=8dm^3*\frac{1L}{1dm^3}=8L[/tex]

Thus, we first compute the pressure in atm:

[tex]P=\frac{nRT}{V}= \frac{2mol*0.082\frac{atm*L}{mol*K}*278.15K}{8L}\\\\P=5.7atm[/tex]

Thus, the pressure in kPa turns out:

[tex]P=5.7atm*\frac{101.325kPa}{1atm}\\\\P=5.8x10^2kPa[/tex]

Answer: The correct answer is B.

Explanation: The scientists and all test subjects involved in the investigation work for the company that sells the medication and  science product or similar is only considered as reliable if it has been tested following the scientific method and if there are not interests that can affect the process.

Answer:

a heterogeneous mixture

Explanation:

an example would be sand and water because it can be filtered which is a physical mean of separation.

Answer:

Heterogeneous mixtures

Explanation:

It is composed of two or more types of matter that can be present in varying amounts and can be separated by physical means. Heterogeneous mixtures vary in composition from point to point; homogeneous mixtures have the same composition from point to point.

Answer:

feel slippery

Explanation:they physical properties are due to its slippery nature when touched

Answer:

A pure substance is a substance that is only made up of atoms of one element and so it has fixed melting and boiling points.

Answer:

B

Explanation:

I studied this and had a test

The size or strength of something like a force is acceleration. Thus, option b is correct.

In general language we can say that push or pull is called force.

According,to newton second law of motion force is rate change of momentum it means

F= d/dt×(mxv)

Where m is mass and v is velocity

But in general case mass is constant.

So ,Force

F= mxd/dt×(v)

Since we know that rate change of velocity is acceleration.

Then we can say that

F= mass x acceleration

S.I unit of force is Newton

1 Newton = 1kg×m/sec^2.

Force and acceleration is a physical quantity which have both i.e magnitude and direct it means both are vector quantity. According,to newton second law of motion force is rate change of momentum it means

F= d/dt×(mxv)

Therefore, the size or strength of something like a force is acceleration. Thus, option b is correct.

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Answer:

Its either with itself to become fluoride Fl2 or with an alkali metal (elements in group 1) to achieve a stable electronic configuration or octet structure

Explanation:

Answer:

I answer this one before

Explanation:

right

Answer:

1.  A principle under which all persons, institutions, and entities are accountable to laws that are: Publicly promulgated. Equally enforced. Independently adjudicated. And consistent with international human rights principles.

2. The laws are clear, publicized, and stable; are applied evenly; and protect fundamental rights, including the security of persons and contract, property, and human rights. The processes by which the laws are enacted, administered, and enforced are accessible, fair, and efficient.

3. It codifies the core values of the people. Courts have the responsibility to interpret the Constitution's meaning, as well as the meaning of any laws passed by Congress.  Everything they do must be based on the law, and they are accountable for their decisions. That means officials are held responsible for the choices they make.

Answer:

The water in the 75 mL beaker will cool down more rapidly then the water in the 500 mL beaker.

Explanation:

The scale of an object influences the object's properties. For example, the water in a small beaker loses heat more rapidly than the water in a large beaker. This is because heat loss decreases as volume increases. As the scale of a beaker increases, its volume increases. Therefore, the larger the beaker, the slower the water inside the beaker will cool.

Answer:

V1=300ml

V2= x ml

T1= 45 Celsius

T2= 30 celcius

Do the math....

you will get

318x=90900

divide by 318

x=285.8 ml (rounded)

Explanation:

you have to add 45 and 30 (separately because the temp. has to be in kelvin) to 273... so V2 equals 2858.8 ml

Answer:

32

Explanation:

You have 7 valance electrons in fluorine, and you have 4 of them. 7*4=28. Then, you have 4 valance electrons on carbon. So 28+4=32

Answer:

the substance is an acid

Answer:

I hope this answer is correct

Explanation:

This is an oxidation-reduction (redox) reaction:

Zn0 - 2 e- → ZnII (oxidation)

2 HI + 2 e- → 2 H0 (reduction)

Zn is a reducing agent, H2SO4 is an oxidizing agent.

Reactants:

Zn

Names: Zinc source: wikidata, accessed: 2019-09-07, Zinc powder (pyrophoric) source: ICSC, accessed: 2019-09-04, Zn source: wikidata, accessed: 2019-09-07

Appearance: Grey-to-blue powder source: ICSC, accessed: 2019-09-04

H2SO4 – Sulfuric acid source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-07source: NIOSH NPG, accessed: 2019-09-02

Other names: Oil of vitriol source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Sulfuric acid, concentrated (> 51% and < 100%) source: ICSC, accessed: 2019-09-04, H2SO4 source: wikidata, accessed: 2019-09-07

Appearance: Clear, colorless liquid source: wikipedia, accessed: 2019-09-27; Odourless colourless oily hygroscopic liquid source: ICSC, accessed: 2019-09-04; Colorless to dark-brown, oily, odorless liquid. [Note: Pure compound is a solid below 51°F. Often used in an aqueous solution.] source: NIOSH NPG, accessed: 2019-09-02

Products:

ZnSO4 – Zinc sulfate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04

Other names: White vitriol source: wikipedia, accessed: 2019-09-27, Goslarite source: wikipedia, accessed: 2019-09-27, Zinc sulfate (1:1) source: wikidata, accessed: 2019-09-02

Appearance: White powder source: wikipedia, accessed: 2019-09-27; Colourless hygroscopic crystals source: ICSC, accessed: 2019-09-04

H2

Names: Dihydrogen source: wikidata, accessed: 2019-09-07, Hydrogen source: ICSC, accessed: 2019-09-04source: wikidata, accessed: 2019-09-07, H2 source: wikidata, accessed: 2019-09-07

Answer:

The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon atom, no matter how many neutrons may be present).

Explanation:

The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon atom, no matter how many neutrons may be present).

Explanation:

The atomic number is number on the right side