Determine whether each statement is a description of a physical property or a chemical property. Paper burns readily in air. Physical chemical Salt is a solid. Physical chemical.

Answer:

loamy soil

Explanation:

your welcome

Using the law of the conservation of mass, the reactions can be shown to obey the law.

We need to know what the law of the conservation of mass says so that we can be able to know how we can be able to apply the law in the proper perspective. We have to know that the law says that total mass of the system would remain constant. The implication of this is that the mass before the reaction would be the same as the mass after the reaction. The mass of the substance must be able to add up in the system that is under study as we have one here.

Mass of the iron = 56 g

Mass of the chlorine = 35.5 g

Balanced reaction equation;

\(2Fe + 3Cl_{2} ---- > 2FeCl_{3}\)

This is the  formation of the iron III chloride

Total mass on the right hand side = 2(56) + 6(35.5) = 325 g

Total mass on the left hand side = 2[56 + 3(35.5)] = 325 g

Learn more about conservation of mass:https://brainly.com/question/13383562

#SPJ1

The residents of Kansas were overwhelmingly opposed to the Lecompton Constitution. This was large because the document protected slavery and allowed the state government to decide whether slavery should be allowed in the new state.

The people of the state saw this as an affront to their values and democratic rights and worked to defeat the constitution in a state referendum.

After much debate and campaigning, the Lecompton Constitution was defeated by over 10,000 votes. This was a major victory for antislavery advocates, who had worked hard to make sure the constitution was rejected in Kansas.

The residents of Kansas were overwhelmingly opposed to the Lecompton Constitution. This document was drafted by pro-slavery advocates and would have made slavery a permanent institution in the state.

The citizens of Kansas were furious, and it sparked a great deal of debate and conflict. Many residents were so opposed to the document that they decided to form an independent government and reject the Lecompton Constitution in a referendum.

The referendum passed in an overwhelming majority, and the Lecompton Constitution was rejected. This event was a major milestone in the struggle for free-state rights in the Midwest and demonstrated the power of the people to resist oppressive legislation.

To know more about the Lecompton constitution, click below:

https://brainly.com/question/8007282

#SPJ4

Answer:

25% gold.

Explanation:

6 is 25 percent of 24, so 6 karat gold would be 25% gold.

Answer:

1. is "It produces sodium carbonate, a bitter metallic-tasting compound."
2. is 6:1

Explanation:

1. While baking powder does produce sodium bicarbonate or at least plays a part in creating sodium bicarbonate, its alkaline nature allows the dish or the reaction to avoid tasting metallic.

2. 6:1 because logically the more water there is in the flour, the less viscous it would be.

The effective multiplication factor k=0.94.

What is reactivity ?

Being responsive as a trait or state. Chemistry. the resemblance of an atom's, molecule's, or radical's ability to interact chemically with another atom, molecule, or substance.

What is reactor?

Reactor: A vessel or equipment used in chemical engineering to conduct chemical reactions for research or production.

(a) The effective multiplication factor  k=0.94

The reactivity \rho = \frac{k-1}{k}=-0.0638.

(b) For the reactor to be critical, k = 1, which means the core reactivity should be increased to make it critical.

Therefore, the effective multiplication factor k=0.94.

Learn more about reactivity from the given link.

https://brainly.com/question/18090753

#SPJ4

Answer:

225 mL of water must be added.

Explanation:

First we calculate how many HCl moles are there in 516 mL of a 0.191 M solution:

Now we use that number of moles (that remain constant during the dilution process) to calculate the final volume of the 0.133 M solution:

We can calculate the volume of water required from the volume difference:

The annelid structure or event that is not correctly paired is groundwater pollution. Option A

Groundwater pollution is not a structure or event that is involved in annelid locomotion.

Annelids move by peristalsis, which is a wave-like contraction and expansion of the body.

This movemnt is caused by the contraction of circular and longitudinal muscles.

Groundwater pollution on the other hand is the contamination of groundwater by human activities, such as agriculture, industry, and waste disposal.

It can cause a variety of problems, including health problems, environmental damage, and economic losses.

Find more exercises on groundwater pollution;

https://brainly.com/question/2041694

#SPJ4

Answer: The ratio of radii of earth to another planet is 2/3 and the ratio of their mean densities is 4/5. If an astronaut can jump to a maximum height of 1.5 m on the earth, with the same effort, the maximum height he can jump on the planet is

Explanation:

The answer is

C) mole ratio

Answer:

When two distinct elements are chemically combined.

Explanation:

Chemical bonds form between their atoms the result is called a chemical compound. Most elements on Earth bond with other elements to form chemical compounds, such as sodium (Na) and Chloride (Cl), which combine to form table salt (NaCl)

To see the number of atoms of an element in a given molecule we need to multiply stoichiometry to the number that is written on the foot of the element that is stoichiometry. The correct option is option A.

Atom is the smallest particle of any element, molecule or compound. Atom can not be further divided. Atoms contains nucleus in its center and electron that revolve around the atom in fixed orbit. Atoms can make many different molecules, just like letters can make many different words.

In the nucleus, proton and neutron are present. Electron has -1 charge while proton has +1 charge. Neutron is neutral that is it has no charge. So overall the charge of nucleus is due to only proton, not by neutron.

Therefore, the correct option is option A that is Atoms can make many different molecules, just like letters can make many different words.

To know more about atom, here:

https://brainly.com/question/13518322

#SPJ5

Answer:

steel, plastics

Hope it helps!

Answer:

C

Explanation:

Because i just had to do this on my assignment and got 100

Answer:

hey , its option c because in chemical reaction colour + evolution of gas takes place + temp. + precipitation. but also light can come in the case of chemical reaction.

Answer:

It is higher in Norfolk because of the warm ocean currents from the south

Explanation:

Can I have brainliest answer please?

The element with the lowest melting point is Ga.
Hence, Option (C) is correct answer.

Melting point is usually defined as the temperature at which solid changes to liquid.

The melting point order of B, Al, Ga, Tl is B > Al> Tl > Ga due to structural changes, melting point increases from Ga to Tl. Hence Ga has the lowest melting point among all these.

Thus from the above conclusion we can say that The element with the lowest melting point is Ga.
Hence, Option (C) is correct answer.

Learn more about the Melting Point here: https://brainly.com/question/40140

#SPJ4

Therefore, the bond between Sulfur (S) and Chlorine (Cl) has the highest electronegativity difference and is the most polar among the given options.

The chemical bond between the two atoms that is most polar is the bond between sulfur (S) and chlorine (Cl), which is option 3) S & Cl.

Polarity in a chemical bond is determined by the difference in electronegativity between the two atoms involved. Electronegativity is a measure of an atom's ability to attract electrons towards itself in a chemical bond. The greater the electronegativity difference, the more polar the bond.

On the Pauling electronegativity scale, the electronegativity values for the atoms in question are approximately:

Carbon (C): 2.55

Nitrogen (N): 3.04

Sulfur (S): 2.58

Chlorine (Cl): 3.16

Hydrogen (H): 2.20

Oxygen (O): 3.44

Silicon (Si): 1.90

The electronegativity difference between Sulfur (S) and Chlorine (Cl) is 3.16 - 2.58 = 0.58.

In comparison, the electronegativity difference between the other options is:

Carbon (C) and Nitrogen (N): 3.04 - 2.55 = 0.49

Hydrogen (H) and Hydrogen (H): 2.20 - 2.20 = 0

Silicon (Si) and Oxygen (O): 3.44 - 1.90 = 1.54

Therefore, the bond between Sulfur (S) and Chlorine (Cl) has the highest electronegativity difference and is the most polar among the given options.

To know more about chemical bond:

https://brainly.com/question/30433456

#SPJ4

Answer:

The final temperature of the system, with one decimal place, is 29.5°C.

Explanation:

The heat gained by the aluminum container will be equal to the heat lost by the water. We can use the equation:

Q_aluminum = Q_water

where Q_aluminum is the heat gained by the aluminum container, and Q_water is the heat lost by the water.

The heat gained by the aluminum container can be calculated using the specific heat of aluminum, the mass of the container, and the change in temperature:

Q_aluminum = (mass_aluminum) x (specific_heat_aluminum) x (change in temperature)

Q_aluminum = (816 g) x (0.9 J/(g∙K)) x (final temperature - 12°C)

The heat lost by the water can be calculated using the specific heat of water, the mass of the water, and the change in temperature:

Q_water = (mass_water) x (specific_heat_water) x (change in temperature)

Q_water = (377 g) x (4,190 J/(g∙K)) x (54°C - final temperature)

Since Q_aluminum = Q_water, we can set these two equations equal to each other and solve for the final temperature:

(mass_aluminum) x (specific_heat_aluminum) x (final temperature - 12°C) = (mass_water) x (specific_heat_water) x (54°C - final temperature)

(816 g) x (0.9 J/(g∙K)) x (final temperature - 12°C) = (377 g) x (4,190 J/(g∙K)) x (54°C - final temperature)

Simplifying and solving for final temperature, we get:

final temperature = 29.5°C

To, know more on HEAT refer

https://brainly.com/question/1429452#

#spj11

Answer:

It's Mass

Explanation: I took the quiz

Have a good day!

Mass is the amount of matter in an object. Therefore, option C is correct.

Mass can be defined as an intrinsic property of a body. mass can be described as the quantity of matter in a body. Different atoms and different particles with the same amount of matter have nonetheless different masses.

Mass can be experimentally measured by the body's inertia, meaning the resistance to acceleration when a net force is applied. The mass determines the strength of its gravitational attraction to other bodies.

The SI base unit of measurement of mass is the kilogram (kg) and it is not the same as weight. Mass is generally determined by measuring the weight using a spring scale, rather than a balance scale and comparing it to known masses.

An object on the Moon will weigh less than it does on Earth due to the lower gravity but still have the same mass. Weight can be defined as a force, while mass is the property that determines the strength of this force.

Learn more about mass, here:

https://brainly.com/question/13040516

#SPJ6

1. The  pollution affected the health of aquatic animals and plants, making it difficult for them to survive.

2. The pollution continued to be a major issue, leading to an increase in fires caused by pollution.

1. When cities dumped sewage into natural waterways with limited capacity for dilution, the waterways became overwhelmed with pollutants, leading to an increase in water pollution.

As a result, this pollution affected the health of aquatic animals and plants, making it difficult for them to survive.

2. Federal laws limiting pollution of rivers and streams did not prevent this pollution and these fires because they were not strong enough to enforce change.

The Clean Water Act was passed in 1972 to control the discharge of pollutants into waterways, but many cities continued to dump untreated sewage into natural waterways.

As a result, the pollution continued to be a major issue, leading to an increase in fires caused by pollution.

Additionally, many cities did not have the financial resources to upgrade their sewage treatment plants, making it difficult to comply with the new regulations.

The lack of enforcement and the limited resources of cities made it difficult to prevent the pollution of rivers and streams.

learn more about cities dumped sewage on

https://brainly.com/question/24464640

#SPJ11

The information allows you to infer that you are talking about snow.

Snow is a term to refer to a meteorological phenomenon that consists of the precipitation of small ice crystals that are characterized by having geometric shapes with fractal characteristics and are grouped into flakes.

Snow has very particular physical characteristics such as:

Snow is related to the water cycle because it melts into a liquid state, and if it is subjected to high temperatures it evaporates in the form of gas.

According to the previous description, it can be inferred that the riddle refers to the natural phenomenon of snow.

Learn more in: https://brainly.com/question/20190653

Provided all set of given quantum numbers are allowed.

(a) n = 3, ℓ = 3, mℓ = 0, ms = -½

For n = 3, ℓ = 3 is not possible

ms can never be a negative value

mℓ cannot equal -1

All of these quantum numbers are allowed

(b) n = 4, ℓ = 3, mℓ = 2, ms = -½

When n = 4, ℓ = 3 is not possible

ms can never be a negative value

mℓ cannot equal 2 when ℓ = 3

All of these quantum numbers are allowed

(c) n = 4, ℓ = 1, mℓ = 1, ms = +½

When ℓ = 1, mℓ = 1 is not possible

ms can not be positive

mℓ cannot equal 1 when n = 4

All of these quantum numbers are allowed

(d) n = 2, ℓ = 1, mℓ = -1, ms = -1

When n = 2, ℓ = 1 is not possible

ms can never be a negative value

ms cannot equal -1

All of these quantum numbers are allowed

(e) n = 5, ℓ = -4, mℓ = 2, ms = +½

mℓ cannot equal 2

ℓ cannot be a negative number

n has a maximum of four

All of these quantum numbers are allowed

(f) n = 3, ℓ = 1, mℓ = 2, ms = -½

When ℓ = 1, mℓ = 2 is not possible

ms can never be a negative value

ℓ cannot be 1 when n = 3

All of these quantum numbers are allowed

To know more about quantum

https://brainly.com/question/16979660

#SPJ1

Answer:

Pressure= 2 atm

temperature= 273K

volume= 44.8cm

3

=44.* litre

so,By PV=nRT

n=

RT

PV

mole=

0.0821×273

2×44.8

so, no of moles= 3.998=4

hence, 4×6.023×10

23

=24.08×10

23

Explanation:

if this answer is correct make me as brainlelist

At STP, one mole of every elements or molecules contains a volume of  22.4 L. Hence, a volume of 44.8 L of oxygen gas is 2 moles thus weighs 64 g.

STP is the condition of standard temperature and pressure.  A temperature of 298 kelvin and 1 atm pressure is referred to as standard temperature and pressure or STP.

At standard temperature and pressure, one mole of every compound or molecule contains 22.4 liters of the substance. We know that one mole of O₂ gas is 32 g/mol. 32 g of oxygen gas contains 22.41 liters.

The number of moles of 44.8 liters of oxygen is = 44.8/22.4 = 2 moles.

One mole of oxygen gas is 32 g. Hence, 2 moles are 64 g. Hence, the mass in grams of 44.8 oxygen is 64 g.

To find more on STP condition, refer here:

https://brainly.com/question/29129606

#SPJ2

Answer:

Here's what I get  

Explanation:

(i) Voltaic cell

A voltaic cell is a device that uses a chemical reaction to produce electrical energy.

(ii) Overall Cell Potential

The standard reduction potentials for the half-reactions are

                               ℰ°/V

Cu²⁺ + 2e⁻ ⇌ Cu    0.34

Zn²⁺ + 2e⁻ ⇌ Zn   -0.76

The half-reaction with the more positive potential is the reduction half-reaction. It is the reaction that occurs at the cathode.

The half-reaction with the more negative potential is the oxidation half-reaction. It is the  reaction that occurs at the anode.

We reverse that half-reaction and subtract the voltages to get the cell reaction.

                                                          ℰ°/V

Cathode:  Cu²⁺ + 2e⁻ ⇌ Cu              0.34

Anode:     Zn ⇌ Zn²⁺ + 2e⁻              -0.76

Cell:          Zn +  Cu²⁺ ⇌ Zn²⁺ + Cu    1.10

\(\mathcal{E}_{\text{cell}}^{\circ} = \mathcal{E}_{\text{cat}}^{\circ} - \mathcal{E}_{\text{an}}^{\circ} = \text{0.34 V} - \text{(-0.76 V)} = \text{0.34 V} + \text{0.76 V} = \textbf{1.10 V}\)

(iii) Diagram

The specific labels will depend on your textbook.

They are often as follows.

a. Electron flow

b. Voltmeter or lightbulb

c. Electron flow

d. Cathode or Cu

e. Cu²⁺(aq) and NO₃⁻(aq)

f. Salt bridge

g. Zn²⁺(aq) and NO₃⁻(aq)

h. Anode or Zn

The salt bridge enables ions to flow in the internal circuit and to maintain electrical neutrality in the two compartments.

It often consists of a saturated solution of KCl.

As Zn²⁺ ions form in the anode compartment, Cl⁻ ions move in to provide partners for them.

As Cu²⁺ ions are removed from the cathode compartment, K⁺ ions move in to replace them.

Answer:a. Electron flow

b. Voltmeter or lightbulb

c. Electron flow

d. Cathode or Cu

e. Cu²⁺(aq) and NO₃⁻(aq)

f. Salt bridge

g. Zn²⁺(aq) and NO₃⁻(aq)

h. Anode or Zn

Explanation:

1.001

120.0

Significant figures are used in science to determine the precision of a number. Depending on the decimal point, sig figs are counted in different ways.

Decimal Points

When counting sig figs, you always start at the first non-zero number. However, sometimes you start from the left, other times the right.

Remember to start counting at the first non-zero number.

For people in the Americas, there is a trick to remembering this.

This works because the Pacific ocean is to the left of the Americas, and the Atlantic is to the right.

4 Significant Figures

The number 1.001, has 4 significant figures. Since there is a decimal point, we start counting from the left. The first digit is not zero, so we count all four places as significant.

The number 120.0 also has 4 sig figs. Like the number above, we start counting from the left because of the decimal. The first digit on the left is not zero, so we once again count all 4 digits as significant.

The metal having the greater capacity for specific heat. A metal with a higher heat capacity will take more energy to raise its temperature by one temperature unit.

As a result, the heat capacity of two objects constructed of the same material but of different masses will vary. This is so because while specific heat is a property of every object constructed of the same material, heat capacity is a property of an object.

The metal with the highest specific heat will see the smallest temperature change.

To know more about specific heat visit:-

https://brainly.com/question/28852989

#SPJ4

Ammonium hydroxide is a weak base because c. it dissociates only slightly in water.

When dissolved in water, ammonium hydroxide donates a proton to form the ammonium ion and hydroxide ion. However, this reaction is only partially reversible because the ammonium ion is not a strong enough acid to accept a proton and regenerate the ammonium hydroxide. Therefore, the hydroxide ion concentration in the solution is relatively low, making it a weak base. In chemistry, a substance is referred to as a base if it has the ability to accept protons (H+ ions).

Ammonium hydroxide is a weak base because, when dissolved in water, it donates a proton to form the ammonium ion (NH4+) and hydroxide ion (OH−). This reaction is reversible, as represented by the chemical equation below: NH4+ (aq) + OH− (aq) ⇌ NH3 (aq) + H2O (l)However, this reaction is only partially reversible because the ammonium ion is not a strong enough acid to accept a proton and regenerate the ammonium hydroxide. Therefore, the hydroxide ion concentration in the solution is relatively low, making it a weak base.

Learn more about ammonium hydroxide at:

https://brainly.com/question/22547992

#SPJ11

Answer:

False unless you add something else with the like the common sugar ice and salt science project.

Explanation:

Answer:

No

Explanation:

No, mixing salt and sugar is not a chemical reaction. Chemical reactions result in the change of chemical composition of one or more substances(it is no longer able to be turned back to normal