Name and title:include your name, instructor's name, date, and name of lab.objectives(s):in your own words, what is the purpose of this lab?hypothesis:in this section, please include the if/then statements you developed during your lab activity. these statements reflect your predicted outcomes for the experiment.if the mass of the sun is 1x, at least one planet will fall into the habitable zone if i place a planet in orbits___, ____, ____, and ____, and all planets will orbit the sun successfully.if the mass of the sun is 2x, at least one planet will fall into the habitable zone if i place a planet in orbits___, ____, ____, and ____, and all planets will orbit the sun successfully.if the mass of the sun is 3x, at least one planet will fall into the habitable zone if i place a planet in orbits___, ____, ____, and ____, and all planets will orbit the sun successfully.procedure:the materials and procedures are listed in your virtual lab. you do not need to repeat them here. however, you should note if you experienced any errors or other factors that might affect your outcome.using the summary questions at the end of your virtual lab activity, please clearly define the dependent and independent variables of the experiment.data:record your observation statements from space academy.when the mass of the sun is larger, earth moves around the sun at a ______ (faster, slower) pace.when the mass of the sun is smaller, earth moves around the sun at a ______ (faster, slower) pace.when earth is closer to the sun, its orbit becomes _____ (faster, slower).when earth is farther from the sun, its orbit becomes _____ (faster, slower).for each trial, record the orbit number of each planet from the sun. be sure to indicate the number of planets in the habitable zone after each trial. create a different configuration of planets for each trial. an example has been supplied for you. orbit numberplanet one orbit numberplanet two orbit numberplanet three orbit numberplanet four number of planets in the habitable zone number of planets left in successful orbitexample: sun's mass 1x 135612sun's mass 1x—trial one sun's mass 1x—trial two sun's mass 2x—trial one sun's mass 2x—trial two sun's mass 3x—trial one sun's mass 3x—trial two conclusion:your conclusion will include a summary of the lab results and an interpretation of the results. please answer all questions in complete sentences using your own words.using two to three sentences, summarize what you investigated and observed in this lab.you completed three terra forming trials. describe the how the sun's mass affects planets in a solar system. use data you recorded to support your conclusions.in this simulation, the masses of the planets were all the same. do you think if the masses of the planets were different, it would affect the results? why or why not?how does this simulation demonstrate the law of universal gravitation?it is the year 2085, and the world population has grown at an alarming rate. as a space explorer, you have been sent on a terraforming mission into space. your mission to search for a habitable planet for humans to colonize in addition to planet earth. you found a planet you believe would be habitable, and now need to report back your findings. describe the new planet, and why it would be perfect for maintaining human life.

Answer:

KOH + H2SO4 --> K2SO4 + H2O

Answer:

B

Explanation:

The particles move freely

The new volume of the oxgen gas as the temperature is increased is 171.3ml.

Given the data in the question;

Charles's law states that "the volume occupied by a definite quantity of gas is directly proportional to its absolute temperature.

It is expressed as;

[tex]\frac{V_1}{T_1} = \frac{V_2}{T_2}[/tex]

To determine the new volume of the oxgen gas as the temperature is increased, we substitute our given values into the expression above.

[tex]\frac{V_1}{T_1} = \frac{V_2}{T_2}\\ \\ \frac{0.095L}{305K} = \frac{V_2}{550K}\\\\V_2 * 305K = 0.095L * 550K\\\\V_2 * 305K = 52.25LK\\\\V_2 = \frac{52.25LK}{305K} \\\\V_2 = 0.1713L\\\\V_2 = 171.3ml[/tex]

Therefore, the new volume of the oxgen gas as the temperature is increased is 171.3ml.

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Mr Hexane = 86 g/mol

mol hexane = 258 : 86 = 3

mol cyclohexane = mol hexane = 3

mass cyclohexane = 3 x 84 = 252 g

Answer:

Heat or Enthalpy of reaction

The molarity of a 250. mL H2SO4 solution that was made from a 20.0 mL of a 10.0 M stock solution is 0.8M.

The molarity of a solution can be calculated using the following expression:

CaVa = CbVb

Where;

In this question;

Ca × 250 = 10 × 20

250Ca = 200

Ca = 200/250

Ca = 0.8M

Therefore, the molarity of a 250. mL H2SO4 solution that was made from a 20.0 mL of a 10.0 M stock solution is 0.8M.

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Answer:

They are organized from least to greatest by their atomic number.

Explanation:

Hope that helps!

Answer:

Explanation:

Elements are listed in numerical order by atomic number. The atomic number is the number of protons in an atom of that element. So element number 1 (hydrogen) is the first element. Every atom of hydrogen has 1 proton. Until a new element is discovered, the last element on the table is element number 118. Every atom of element 118 has 118 protons. This is the biggest difference between today's periodic table and Mendeleev's periodic table. The original table organized the elements by increasing atomic weight.

Each horizontal row on the periodic table is called a period. There are seven periods on the periodic table. Elements in the same period all have the same electron ground state energy level. As you move from left to right across a period, elements transition from displaying metal characteristics toward nonmetallic properties.

Each vertical column on the periodic table is called a group. Elements belonging to one of the 18 groups will share similar properties. Atoms of each element within a group have the same number of electrons in their outermost electron shell. For example, elements of the halogen group all have a valence of -1 and are highly reactive.

There are two rows of elements found below the main body of the periodic table. They are placed there because there wasn't room to put them where they should go. These rows of elements, the lanthanides and actinides, are special transition metals. The top row goes with period 6, while the bottom row goes with period 7.

Each element has its tile or cell in the periodic table. The exact information given for the element varies, but there is always the atomic number, the symbol for the element, and the atomic weight. The element symbol is a shorthand notation that is either one capital letter or a capital letter and a lowercase letter. The exception is the elements at the very end of the periodic table, which have placeholder names (until they are officially discovered and named) and three-letter symbols.

The two main types of elements are metals and nonmetals. There are also elements with properties intermediate between metals and nonmetals. These elements are called metalloids or semimetals. Examples of groups of elements that are metals include alkali metals, alkaline earths, basic metals, and transition metals. Examples of groups of elements that are nonmetals are the nonmetals (of course), the halogens, and the noble gases.

This states that

1 molecule of water contains

And if we write the chemical reaction

Explanation:

The Animal meat contains Vitamins, proteins and carbohydrates and many more,

The other food group includes various minerals, (like copper, Calcium, Sodium, Phosphorus, selenium, cobalt, iron, zinc etc) various Amino acids, Fatty acids, water and albumin

The sources of vitamin like B12 are animals, and vegetarian should consume plant based supplements to fulfill the need of essential macromolecules!

[Side note: Meat consumption is secondary cause of increasing global warming Go vegan!]

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The number of moles contained in 39 L of F2 gas at STP is 1.74mol. Details on how to calculate number of moles can be found below.

The number of moles of a gas at STP can be calculated using the following formula:

PV = nRT

Where;

At STP, the following applies:

1 × 39 = n × 0.0821 × 273

39 = 22.41n

n = 1.74mol

Therefore, the number of moles contained in 39 L of F2 gas at STP is 1.74mol.

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Explanation:

Globalization is the word used to describe the growing interdependence of the world's economies, cultures, and populations, brought about by cross-border trade in goods and services, technology, and flows of investment, people, and information

Answer:

4 moles

Explanation:

Oxygen gas is O2   (two atoms of oxygen)

2 H2 + O2  = 2 H2 O    

          one mole of oxygen gas produces TWO moles of water

               so you need 4 moles of O2 to produce 8 moles of water

A

Explanation:

What cell structure is best represented by the image?

A.

a permeable exoskeleton

B.

a waterproof nuclear envelope

C.

a non-permeable cell wall

D.

a selectively permeable membrane

The mixture of sodium chloride and broken glasses can be separated by dissolution, filtration, and evaporation respectively.

The mixture containing sodium chloride and broken glasses can be separated as follos:

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The volume of a gas that occupies 9 L at a temperature of 325K is 12.46L.

The volume of a given gas can be calculated using the following Charle's law equation:

V1/T1 = V2/T2

Where;

9/325 = V2/450

325V2 = 4050

V2 = 4050/325

V2 = 12.46L

Therefore, the volume of a gas that occupies 9 L at a temperature of 325K is 12.46L.

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Answer:

i think 50C

Explanation:

It only makes since cause if its 4.43 and u want the volume to be 3.13 it has to me 50C

Use Charles law

[tex]\\ \rm\rightarrowtail V_1T_2=V_2T_1[/tex]

[tex]\\ \rm\rightarrowtail 4.43T_2=(70)(3.13)[/tex]

[tex]\\ \rm\rightarrowtail 4.43T_2=219.1[/tex]

[tex]\\ \rm\rightarrowtail T_2=49.4°C[/tex]

Answer:

The 3 stressers are 1. Adding or removing reactants or products. 2. Changing the total pressure or volume. 3. changing the tempature of the system.

Explanation:

All three of these are stressers that can be applied.

-Hope This Helps!

-Justin:)

The ratio of metal cationic (+) atom to nonmetal anionic (-) atom in the compound is 1:2.

The term electron configuration shows the arrangement of electrons in an atom. We have the configurations of the atoms as follows;

magnesium - 1s22s22p63s2

bromine - 1s22s22p63s23p64s23d104p5

We can see that the catio is Mg^2+ and the anioin is Br^- hence  the ratio of metal cationic (+) atom to nonmetal anionic (-) atom in the compound is 1:2.

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Answer:

Individual.

Explanation:

The diagram is showing how the biosphere is composed of, ending at ecosystem. Within an ecosystem, there is a community. Within a community, there are different populations. In one population, there are individuals that make it up.

So, since individuals make up a population, populations making up a community, and communities making up ecosystems, you find your Q to be individual.

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I hope this helps!

-No one

Answer:

Sodium  (Na+)

Explanation:

Volume status is regulated through the monitoring of systemic solute per unit volume, or osmolarity. Sodium, the most prominent electrolyte 'solute' in extracellular fluid, is used to monitor extracellular osmolarity. A disproportionate loss of water relative to sodium results in a concentrating osmolar effect.

Answer: 23

I hope this helps! Have a good day! :)

Answer:

By definition, and this is what Avogadro's constant tells you, 1 mole of nickel must contain 6.022⋅1023 atoms of nickel.

Explanation:

In a reaction involving sodium metal and chlorine gas, the amount of sodium metal required to react with 0.950 grams of chlorine gas would be 0.62 grams

From the balanced equation of the reaction:

2Na (s) + Cl2 (g) ---------> 2NaCl (s)

The mole ratio of Na to Cl2 is 2:1.

Mole of 0.950 grams of chlorine gas = 0.950/70.906

                                                             = 0.0134 moles

Equivalent mole of Na = 0.0134 x 2 = 0.0268 moles

Mass of 0.0268 moles Na = 0.0268 x 22.99

                                           = 0.62 grams

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Acids or bases with strong bonds remain as molecules in solutions known as weak acids or bases. The acids or bases with weak bonds easily dissociate into ions and are called strong acids or bases.

Acid is proton donor hydrogen containing substance. Base is proton acceptor molecule.

It can be predicted by pH indicator. pH with value less than 7 indicate acidity and value with more than 7 denotes base, and the one with value 7 is considered as neutral.

Thus, based on bond strength and its dissociation in the water makes it strong acid or weak base.

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