Question 5 (5 points)
Use the picture below to determine if the following statements are observations or if the statements are inferences. Place a “O” in the blank for an observation and “I” for an inference.


BLANK 1: A person is in the water
BLANK 2: The weather is cold
BLANK 3: The tree branch is broken
BLANK 4: If the boy crawled out of the water the goat would push him back in
BLANK 5: The boy fell off the branch

Answer:

I think it's C I think that's the answer

Answer:

with in one to two days of

Answer:

PARTICLES!

I hope I was on time! Cheers! :^)

Explanation:

...........................................................

Answer:

??????????????

Explanation:

where is your question?

Answer:

the fractions obtained are not of acceptable purity

Explanation:

We want to compare the kinetic energy of two moving objects, we will see that the correct option is the first one:

"Truck B will have a greater stopping distance."

Remember that the kinetic energy of an object of mass M and velocity V is given by:

[tex]E = \frac{M}{2}*V^2[/tex]

Here we know that truck A and truck B have the same velocity, but truck B has a larger mass.

Knowing that the kinetic energy increases linearly with the mass, we can conclude that truck B has the largest kinetic energy.

Because of this, we can also conclude that truck B will have a greater stopping distance, this happens because there is more kinetic energy that must be dissipated.

So the correct option is the first one:

"Truck B will have a greater stopping distance."

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Answer:

left

Explanation:

Metals are to the left of the line (excluding hydrogen, which is a nonmetal), nonmetals are to the right of the line, and metalloids are to the immediate right of the line.

(Hope this helps can I pls have brainlist (crown)☺️)

Answer:

A. a- helixes and B-pleated sheats

Explanation:

A helical (a-helix) or flattened sheets (B-pleated sheet) like structures are established between opposite charge bearing groups of different amino acids are called Secondary Structures.

Answer:

sitric acid from lemon

Explanation:

there

The first stage of the experiment is focusing only on the physical properties of acidic property.

A physical property would be any quantifiable attribute whose value describes the condition of a physical system. Changes in a system's physical attributes are able to characterize its transitions between brief states. Physical attributes are sometimes known as observables.

Physical characteristics are frequently classified as intense or extensive. An intense property is independent of the system's size or extent, as well as the amount of material in the item, whereas an extended property has an additive link. The first stage of the experiment is focusing only on the physical properties of acidic property.

Therefore, the first stage of the experiment is focusing only on the physical properties of acidic property.

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Answer:

The noble gases (Argon, Neon, Xenon, Helium, Krypton, Radon)

Answer:

At this point the volume of the gas is halved. If the pressure on the piston is again doubled, the volume of gas decreases to one-fourth its original volume. FIGURE 9.8 Boyle's Law: At constant temperature, the volume of a gas sample is inversely proportional to the pressure.

The volume of the gas doubles.

Boyles law state that the pressure of a gas is indirectly proportional to the volume at constant temperature. It is given by:

PV = constant

Let us assume that initially the pressure is P and the volume is V, hence:

[tex]P_1=P,V_1=V[/tex]

The volume decreases to half its original value, hence:

[tex]P_2=\frac{P}{2}[/tex]

Therefore:

[tex]P_1V_1=P_2V_2\\\\\\PV=\frac{P}{2}V_2\\\\V_2=2V[/tex]

Therefore the volume of the gas doubles.

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Answer: a common ion of xenon is fluoride-ion. xenon oxide difluoride is also a fluoride-ion acceptor, forming the only other anion containing xenon in the +4 oxidation state, the XeOF3− anion in Cs+XeOF3−. Xenon hexafluoride is both a strong fluoride-ion donor and a strong fluoride-ion acceptor.

Answer:

Copper

Explanation:

Copper has this electronic configuration.

You can count the total number of electrons

= 29

Cu is the 29 th in the periodic table.( atomic number = 29)

Two or more than two atoms with different physical or chemical properties can not combine together to form an element. Therefore, the given electronic configuration represents copper element.

Element generally consist of atoms or we can atoms combine to form element. Atoms of an element is always same, means all the properties of all atoms of one type of element is same.

The systematic distribution of electrons in the various atomic orbitals is called its electronic configuration. The atomic number of copper is 29. The electronic configuration of copper is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹ 3d¹⁰. 1,2,3 represents the number of shells and s and represents the orbitals. The superscripts represents the number of electrons in each orbitals.

Therefore, the given electronic configuration represents copper element.

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Cr(s) → Cr3+(aq) + 3e-Ag+(aq) + e- → Ag(s)

To solve such this we must know the concept of chemical reaction. Therefore, the balanced  net cell reaction for the chromium-silver voltaic cell is Cr(s)+3Ag⁺(aq)→Cr³⁺(aq)+3Ag(s)

Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, double displacement reaction. Chromium-silver voltaic is a cell that is used in electrochemistry.

The balanced net cell reaction for the chromium-silver voltaic cell is

Cr(s)+3Ag⁺(aq)→Cr³⁺(aq)+3Ag(s)

Therefore, the balanced net cell reaction for the chromium-silver voltaic cell is

Cr(s)+3Ag⁺(aq)→Cr³⁺(aq)+3Ag(s)

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Answer:

Birds can sit on power lines and not get electric shocks because the electricity is always looking for a way to get to the ground. The birds are not touching the ground or anything in contact with the ground, so the electricity will stay in the power line.

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Answer:

the physics book particales speed up and when you move the chemistry book

Answer:

The speed of the particles of the physics book increases when the chemistry book slides across the physics book.

Explanation:

i got it right when i did this

Answer:

A, Heat is released as the reaction happens.

Explanation:

Exothermic reactions release heat and/or light and is a reaction in which the overall enthalpy is negative. The one your mouse is hovering over explains Nuclear Fission. The third one explains an endothermic reaction, as heat is absorbed in the reaction. The product being cold is actually one of the key characteristics of an endothermic reaction. Two liquids being mixed that forms a solid is called a precipitate.

Answer:

*two parameters

Explanation:

Answer: The sun

Explanation: because it has the most mass

Answer:

Hey there. That would be Jupiter.

Jupiter is the largest in our solar system which means it has the highest gravity.

Answer:

(B) SECONDARY ALKYL HALIDE

the answer is C ( i think )

The correct statement which has the same empirical formula as molecular formula is "CH3COOH".

A chemical compound's empirical formula is a representation of the simplest whole number ratio between its constituent parts.

The molecular formula is a depiction of the compound's actual whole number ratio between its constituent parts.

To put it another way, molecular formulas tell you how many atoms of each element are in a compound, whereas empirical formulas tell you the simplest or most reduced ratio of components.

Acetic acid has the molecular chemical formula CH3COOH. In the order C: H: O, the true whole number ratio is 2: 4: 2. In the order C: H: O, the smallest simple whole number ratio is 1: 2: 1. As a result, acetic acid's empirical formula is CH2O.

Hence, the correct option is A.

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I really hope this helped!

An element is the basic unit of things.

10 elements:

Elements that make up proteins:

Elements that make up fats:

Elements that make up carbohydrate: (before any oxidation or reduction)

Answer:

Answer:

What happens to the ionizing rate if the steps of ionizing polyprotic acid increases? Well they have this stepwise ionization process occurs for all polyprotic acids

Explanation:

Answer:

D. Na has a larger radius than Na+ because Na+ has lost its outermost energy shell.

Explanation:

The radius is larger because the diameter of Na+ is larger.

Sodium has smaller atomic  radius than sodium cation because sodium has expanded electron cloud.

Atomic radius is defined as the  distance between outermost shell and the nucleus. Atomic radius varies across the periodic table where in groups it increases due to the fact that new shells are added on moving sown the group.

While in a period it decreases from left to right across the periodic table as electrons are added to the same shell which causes contraction of the atom.In case of comparison between an atom and a cation an atom has smaller atomic radius due to presence of electrons while in case of ions atomic radius is smaller as they have less number of electrons.

Atoms have expanded electron cloud while the electron cloud in case ions is small , the reason being the presence of large number of electrons in case of atoms and less number of electrons in case of ions.

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