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
Answers
[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]
Blank # 1 - Observation
Blank # 2 - Observation
Blank # 3 - Observation
Blank # 4 - Inference
Blank # 5 - Observation
Answer:
Numbers 1,2,3, and 5 are all O
And Number 4 is aN I
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I WILL MARK BRAINLY-EST Do you think the way we perceive food in our culture supports the guidelines in MyPlate? Explain your
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3. What type of gas do plants take in?
oxygen
carbon dioxide
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Answer:
Archaeology is the study of the human past using material remains. These remains can be any objects that people created, modified, or used.
Explanation:
AgNO3(aq) + NaCl (aq) —> AgCl (s) + NaNO3 (aq)
The equation represents a __ reaction.
A. synthesis
B. decomposition
C. neutralization
D. double replacement
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Answer:
D
Explanation:
double replacement
the reactants decompose to form new substances by exchange of radicals
Is the partial pressure of o2 higher in water or the air?
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What do the electron configurations of the elements Mo and Pt have in common?
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Answer:
All of the elements in a period have the same number of atomic orbitals. For example, every element in the top row (the first period) has one orbital for its electrons. All of the elements in the second row (the second period) have two orbitals for their electrons.
Explanation:
Can someone help me with this chemistry question?
Answers
Answer:
B no. is the answer because
Explanation:
acids increase the hydrogen ion concentration, which provides more ionsan acid comes in contact with a metal, the acid steals free electrons away. That loosens the bonds holding metal atoms in place, so the metal dissolves. That's a chemical change, so the ability of acids to dissolve metals is a chemical propertyWhen a strong acid is neutralized by a strong base there are no excess hydrogen ions left in the solution. The solution is said to be neutral as it is neither acidic nor alkaline. The pH of such a solution is close to a value of 7; the exact pH value is dependent on the temperature of the solution.So this can probably be the the answer
Hope my answer helps
Mark me Brainliest （⌒▽⌒）#beyourselfRock candy is composed of large sugar crystals, which are made of sugar molecules. Growing the crystals in water with food dyes makes colored crystals. A friend has a plan to make jewelry using rock candy and claims that the jewelry will look like and last as long as jewelry made from gemstones. Use evidence about the bonding in ionic and molecular compounds to evaluate this claim.
Answers
It is possible to form jewelry from rock candy that will look like and last as long as jewelry made from gemstones since the both materials contains a crystalline lattice.
Ionic bonding comprises of units cells of oppositely charged ions that come together to form a crystal lattice. Molecular compounds such as gemstones are also composed of unit cells which also give a well defined crystal lattice.
We must note that the strength of these materials come from the fact that all have a well defined crystal lattice in which particles are well ordered. It is possible to form jewelry from rock candy that will look like and last as long as jewelry made from gemstones since the both materials contains a crystalline lattice.
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A 16.0 L container at 333 K holds a mixture of two gases with a total pressure of 7 atm. If there are 2.72 mol of Gas A in the mixture, how many moles of Gas B are present?
Answers
A flower vase placed on the table
Explanation:
A laborer pushing a crate on the table
A 16.0 L container at 333 K holds a mixture of two gases with a total pressure of 7 atm. If there are 2.72 mol of Gas A in the mixture, no. of moles of Gas B are 1.376.
What is combined gas law?The combined gas law is the law of of gaseous state which is made by combination of Boyle's law, Charle's law, Avogadro's law and Gay Lussac's law.
It is a mathematical expression that relates Pressure, Volume and Temperature.
(P1 × V1)÷T1 = (P2 × V2)÷T2
We can also use the following relation-
PV = nRT
Let n be the total no. of moles.
Given,
P = 7 atm
R = 0.0821
T = 333K
V = 16 L
n = PV / RT
n = 4.096
n = no. of moles of A gas + no. of moles of gas B
4.096 = 2.72 + x
x = 1.376
Therefore, A 16.0 L container at 333 K holds a mixture of two gases with a total pressure of 7 atm. If there are 2.72 mol of Gas A in the mixture, no. of moles of Gas B are 1.376.
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calculate the mass of butane needed to produce 64.1 g of carbon dioxide to three significant figures and appropriate units
Answers
Answer:
21.2 gm
Explanation:
calculate the mass of butane needed to produce 64.1 g of carbon dioxide to three significant figures and appropriate units
butane is the hydrocarbon C4H10
in combustion, we react hydrocarbons with O2 to form CO2 and H2O
so
C4H10 + O2----------------> CO2 + H2O
BALANCE
2C4H10 + 1302--------> 8CO2 + 10 H2O
the molar mass of CO2 is 12 + 16X2 = 44
64.1 gm of CO2 is
64.1/44 = 1.46 MOLES OF CO2,
FOR EVERY 8 MOLES OF CO2 WE NEED 2 MOLES OF BUTANE IT IS A
8:2 OR 4:1 RATIO. THE MOLES OF C4H10 ARE 1/4 THE MOLES OF CO2
SO
THE MOLES OF C4H10 H10 ARE 1.46/4 =0.365 MOLES
THE MOLAR MASS OF BUTANE IS 58.12
0.365 MOLES OF C4H10 HAS A MASS OF 0.365 X 58.12 = 21.2 gm
what is distillation used to seperate
Answers
Distillation is used to separate liquids from nonvolatile solids as in separation of alcoholic Liquors from fermented materials or in the separation of two or more liquids having different boiling points as in the separation of gasoline Carrison and lubricating oil from crude oil
Answer: It is used to separate a solvent from a solute.
Explanation:
Help this is so confusing like
Answers
Answer: which of the following is qualitative?
A. 100-calorie apple
B. 1-liter soda
C. triangular crystal
D. 10-inch brick
answer is D
Explanation:
BRAINLIEST TO CORRECT ANSWER
Answers
Answer:
A right? I'm pretty sure it's A
An electron moved from a lower energy level to a higher energy level. What most likely happened during the transition? (4 points)
Group of answer choices
A random amount of light was released.
A fixed amount of energy was absorbed.
A fixed amount of energy was released.
A random amount of light was absorbed.
Answers
Answer:
A. A random amount of light was released
Explanation:
A random amount of light was released. Hence, option A is correct.
What are electrons?An electron is a negatively charged subatomic particle. It can be either free (not attached to any atom) or bound to the nucleus of an atom. Electrons in atoms exist in spherical shells of various radii, representing energy levels. The charge on a single electron is considered the unit electrical charge.
Electrons are sub-atomic particles that occupy energy levels in an atom of any chemical element. These electrons may move from one energy level to another.
Electrons may move from a lower energy level or ground state to an excited state or high energy level, or else move from a higher energy level to a lower energy level.
When an electron moves from a lower energy level to a higher energy level energy is absorbed by the atom, and when the movement is from a higher energy level to lower energy is released mainly as light.
Hence, option A is correct.
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how many grams of co are needed to react with fe2o3?
Answers
Answer:
419 grams of CO are needed.
Explanation:
which of the following elements forms coloured compounds. A. Normal B. Transition C. Lanthanicles D. Inner transition
Answers
Answer:
B. Transition
Explanation:
Transition elements form coloured compounds because they have unfilled d orbitals.
C3H4(g) + xO2(g) → 3C02(g) + 2H2O(g)
-
What is the value of the coefficient x in this
equation?
Answers
Answer:
4
Explanation:
atoms of O2 in the product side:
(3×2)+(2×1)=8
so to balance it:
x × 2 =8
x=4
. Identify molecules of elements;
O2, NH3, He
Answers
Elements can be made of one atom, like He, or be elemental molecules, such as hydrogen (H2), oxygen (O2), chlorine (Cl2), ozone (O3), and sulfur (S8). Atoms are not drawn to scale. Some elements are monatomic, meaning they are made of a single (mon-) atom (-atomic) in their molecular form...
How do the atoms aluminum and fluorine react to form the compound aluminum fluoride?
Answers
Answer:
Aluminum fluoride is an ionic compound. Meaning that the two elements form a ionic bond. In ionic bonding, atoms receive and donate electrons in order to become stable. In this case, aluminum donates its three outer electrons to three fluorine atoms. Aluminum forms a triple positive aluminium ion (Becomes a cation) and fluorine forms three single negative fluoride ions (Becomes a anion).
Aluminum (3+)Fluorine (1-)Choose the incorrect statement from the following:
(a) The disadvantage of natural gas is that it can not be used directly for burning in homes.
(b) Natural gas is stored under high pressure as compressed natural gas.
(c) Natural gas cannot be used for power generation.
(d) It is difficult to transport natural gas through pipes.
Answers
Answer:
d
Explanation:
Generally, it is transported through pipes so I think statement d is incorrect.
"Solution is a homogeneous mixture" explain
Answers
Answer:
solution is equal distribution of a solute and liquid
Explanation:
for example water and sugar make a solution
Solutions with a uniform composition are homogeneous solutions. A homogeneous solution, then, has an equal concentration of the constituent substances throughout the entire solution.
Similar to how water molecules are evenly distributed among the Na+ and Cl- ions when sodium chloride dissolves in it. The mixture's composition is constant throughout, and it is difficult to separate the components from one another. Solutions are homogeneous mixtures, which can contain substances in either state (solid, liquid, or gas).
Even if the components were evenly dispersed, they could still be separated at some point in a homogeneous mixture. The components may need to be separated using a procedure like evaporation, distillation, or chromatography, but this is still possible.
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Did you know that
1-7=0
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Answer:
No I didn’t
Explanation:
Nicole pushes her bike up a hill. Overhead, the sun exerts a gravitational force on Earth. Which statement is true about the bike and Earth?
They both experience contact forces.
They both experience non-contact forces.
The bike experiences a non-contact force and Earth experiences a contact force.
The bike experiences a contact force and Earth experiences a non-contact force.
Answers
Answer: c
Explanation:
9. Which of Earth’s sphere consists of all living things? A. hydrosphere B. geosphere C. biosphere
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Answer:
i think its b
Explanation:
i took it
describe the motion and arrangement of particles in a solid, a liquid, and a gas.
Answers
Answer:
gas vibrate and move freely at high speeds. liquid vibrate, move about, and slide past each other. solid vibrate (jiggle) but generally do not move from place to place.
Hopefully this helped!
How much heat is required for 10 g of steam specific heat
capacity = 2.01 J/gºC) at 120°C to be heated to 160°C?
Answers
Answer:
145°C is allowed
Explanation:
step step by step explanation
if 15 grams of carbon is present at the beginning of a reaction,how many grams of carbon will be present in the products?
Answers
The law of conservation states that the mass of the element remains the same during the course of the reaction.
The law of reaction conformed by the following:-
Mass of reactantMass of productAccording to the question, the amount of carbon is 15g in the reactant and the amount will remain same at the end of reaction, which is product that is 15g.
Hence, the amount remain same in the reaction that is 15g.
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An atom, X, contains 16 protons.
Which statement about Z is correct?Explain why.
A) It cannot form an ion.
B) It contains 6 electrons in the outer shell.
C) It contains 6 neutrons.
D) It had relative atomic mass of 16.
Answers
Answer:
B
Explanation: as protons no. = electrons no.= atomic number(Z)
An Oxygen atom Isotope has an overall charge of -1. How many electrons does it have?
Answers
Answer:
8 electrons.
Explanation:
Identify three elements that form only one CATION.
Answers
Answer:
hyrogen,Lithium,beryllium
How does the microscopic arrangement of particles affect the microscopic behavior of the solution?
Answers
Answer:
In a solid, the particles pack together as tightly as possible in a neat and ordered arrangement. ... With an increase in temperature, the particles gain kinetic energy and vibrate faster and more strongly. The attractive force in solids need not be stronger than in liquids or gases