The components have very precise measurements to ensure that the cleaning agent has the right properties which means it is an example of a homogeneous mixture.
What is homogeneous mixture?
A mixture is referred to as a substance which comprises of two or more different chemical substances which are not chemically bonded and are of two types which are:
Homogeneous mixture.Heterogeneous mixture.The homogeneous mixture is a type of mixture in which there is the same or uniform proportions of its components in the sample while heterogeneous mixture doesn't have a uniform proportion.
In this scenario, we were told that the components have very precise measurements with the right properties which depicts a homogeneous mixture and is the correct choice.
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The Nebular Theory explains the formation of:
A). only planets
B). galaxies
C). the Universe
D). a Star and orbiting planets
Answer:
The Answer is D: A star and orbiting planets
Explanation:
Not to be confused with the Big Bang theroy (which "explains" the origin of the universe) The Neublar Theory explains the formation of the solar system, which is bascially A star and orbiting planets.
I hope this answers your question, Have a blessed day and Happy holidays
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football is blown up in hot summer but in evening its softer in the evening explain
Answer:
This is because the material of which the football is made up of expands during the day due to hot summer where the particles of it try to move away from each other whereas at night due t less temperature the contract therefore the football feels softer as before
How Fast can you answer how fast can i give you brainliest????? HELP
e Formula Practice
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On a zip-line course, you are harnessed to a
cable that travels through the treetops. You
start at platform A and zip to each of the other
platforms. How far do you travel from Platform
B to Platform C?
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Question 8, *1.7.29
30-
20
ICH
50-10-30-201-10
Ay
-10-
-25
-30
The distance from platform B to platform C is approximately meters.
(Round to the nearest tenth of a meter as needed.)
10 20 30 40 50
Q
OON
HW Score: 70%, 7
O Points: 0 of 1
The distance from Platform B to Platform C is 26.926 units
The parameters listed are;
The distance between platforms A and F on the zip-line course is provided;
On the path of travel graph shown, we have;
Point B's coordinates are (-25, -20) and Point C's coordinates are (-15, 5)
The formula provides the distance between two locations with coordinates (x1, y1) and (x2, y2);
l=[tex]\sqrt[]{(y2-y1)^2 +(x2-x1)^2}[/tex]
Therefore, by inserting (-25, -20) = (x1, y1) and (-15, 5) = (x2, y2), the distance between B and C may be calculated.
that provides;
l=[tex]\sqrt[]{(5- (-20))^2 + ((-15) - (-25))^2}[/tex] = 26.926 units
B and C are separated by 26.926 units.
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How do you determine the oxidation number for an element?
Answer:
Explanation:
To calculate oxidation numbers of elements in the chemical compound, enter it's formula and click 'Calculate' (for example: Ca2+, HF2^-, Fe4 [Fe (CN)6]3, NH4NO3, so42-, ch3cooh, cuso4*5h2o). The oxidation state of an atom is the charge of this atom after ionic approximation of its heteronuclear bonds.
how many moles are in 8.32 times 1024 molecules of CO2
Answer:
13.8 mol CO₂
General Formulas and Concepts:
Chemistry - Atomic Structure
Using Dimensional AnalysisAvogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.Explanation:
Step 1: Define
8.32 × 10²⁴ molecules CO₂
Step 2: Identify Conversions
Avogadro's Number
Step 3: Convert
[tex]8.32 \cdot 10^{24} \ molecules \ CO_2(\frac{1 \ mol \ CO_2}{6.022 \cdot 10^{23} \ molecules \ CO_2} )[/tex] = 13.816 mol CO₂
Step 4: Check
We are given 3 sig figs. Follow sig fig rules and round.
13.816 mol CO₂ ≈ 13.8 mol CO₂
What is the difference between heat of formation and heat of reaction? Give examples and units
Answer:
The main difference between the heat of formation and heat of reaction is that heat of formation is the amount of energy either absorbed or released during the formation of a compound whereas heat of reaction is the amount of energy either absorbed or released during any chemical reaction.
(5) matter and energy. the student knows that matter has physical properties and those properties determine how it is described, classified, changed, and used. the student is expected to:
The student is expected to classify matter by physical properties, including shape, relative mass, relative temperature, texture, flexibility, and whether material is a solid or liquid.
Flexibility is the ability of a joint or series of joints to move through an unrestricted, pain free range of motion. Although flexibility varies widely from person to person, minimum ranges are necessary for maintaining joint and total body health.
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the atomic number of an element X is 15 . what would be the valency of X
Answer:
its valency must be 3
hope it helps.
Answer: -3
Explanation: an element with atomic number of 15 is Phosphorus the Electronic configuration of phosphorous is 2, 8, 5. It has 5 electrons in its last orbit which can be completely filled by accepting 3 electrons.
Explain why Ra is larger than Be. With 2 points.
Explanation:
Radium(Ra)=>atomic number=88
BERYLLIUM (Be)=>atomic number =4
why is Ra larger than Be
1. since the atomic number of Ra is greater than Be, the number of electrons is more, which means there are more number of shells present in Ra than Be. (atomic Radius)2. the more the valence electron (excluding fully filled ones) the less is the nuclear attraction forcesince Ra has more valence electron in its outermost shell, the nuclear attraction force is less which means that Ra 's size is greater than Be.hope it helps:)
Simon has collected three samples from the coral reef where he observes marine life. He must determine whether each one is a pure substance or a mixture.
A 4-column table with 3 rows. The first column has entries sample A, sample B, sample C. The second column labeled appearance has entries clear liquid, clear blue liquid, opaque whitish liquid. The third column labeled when heated has entries evaporates completely at 70 degrees C, boils at 90 degrees Cleaving blue crystals behind, boils at 100 degrees leaving white crystals behind. The fourth column labeled when left over time has entries appearance does not change, appearance does not change, dust appears to settle at the bottom.
Sample A is a
, Sample B is a
, and Sample C is a
.
Answer:
SAMPLE A - pure substance.
SAMPLE B - homogeneous mixture.
SAMPLE C - heterogeneous mixture.
Explanation:
Answer:
pure substance.
homogeneous mixture.
heterogeneous mixture.
Explanation:
Which region in the ir spectrum could be used to distinguish between butanoic acid and 2-butanone?.
The region in the IR spectrum could be used to distinguish between butanoic acid and 2-butanone is 2500-3300 cm^-1.
What is IR spectrum:
IR spectroscopy (which is short for infrared spectroscopy) deals with the infrared region of the electromagnetic spectrum, i.e. light having a longer wavelength and a lower frequency than visible light. Infrared Spectroscopy generally refers to the analysis of the interaction of a molecule with infrared light.
The IR spectroscopy concept can generally be analyzed in three ways: by measuring reflection, emission, and absorption. The major use of infrared spectroscopy is to determine the functional groups of molecules, relevant to both organic and inorganic chemistry.
Therefore,
For carboxylic acid, a broad peak for -OH group is obtained in the region of 3000-2500 cm-1 in the IR spectrum. This is the distinguishing feature of -COOH or carboxylic group of butanoic acid and -CO or ketone of butanone. Both shows -CO or carbonyl peak in the region 1680-1750 cm-1, but the above mentioned distinguishes them.
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How many grams are there in 7.5E10 atoms of tungsten (W)?
Answer:
1 mole is equal to 1 moles Tungsten, or 183.84 grams. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between moles Tungsten and gram.
Explanation:
What is the name of CF7
Answer:
Formula mass in daltons of the chemical component.
hello can u answer these quickly?
1- If element X has 6 protons. How many electrons does it have? ______
2- If element Y has 10 protons. What is its atomic number? ______
3- If element Z has 15 protons & 17 neutrons. What are its number of electrons, atomic number & mass number? ____________
4- If element A has 7 electrons & 9 neutrons. How many protons does it have? And what is its atomic number? ____________
1- If the atomic number of an element is 15 & its mass number is 31? How many protons & neutrons does this element have? _______
2- If element B has 9 electrons. Find the number of protons & atomic number. ______________
3- If the mass number of element A is 60 & number of neutrons is 33. Find its number of protons & its atomic number. ______________
Answer:
1. 6electrons because in an a neutral atom, the number of electrons and protons are equal
2. Atomic number is 10
3. 15electrons, Atomic number 15,Mass number 32
4. 7protons, Atomic number 7
1. 15protons,16neutrons
2.Number of protons is 9, atomic number is 9
3.Number of protons is 27, Atomic number is 27
Explanation:
The mass number (A)=Atomic/proton number (Z)+Neutron number (N)
What is the chemical name for the compound IFs?
Select the correct answer.
What is the relationship between the kinetic energy of an object and the mass of an object? Assume the speed is constant.
A. Kinetic energy gets bigger at the same rate as the mass of an object.
B. Kinetic energy gets bigger at a faster rate than the increase of a mass of an object.
C. Kinetic energy decreases as the mass of an object increases.
D. Kinetic energy decreases at a faster rate than the increase of a mass of an object
Answer:
A
Explanation:
kinetic and mass are directly proportional
so if one increases the other does to
The relationship between the kinetic energy of an object and the mass of an object is Kinetic energy gets bigger at the same rate as the mass of an object.
What is kinetic energy ?The energy that an object has as a result of motion is known as kinetic energy. It is described as the effort required to move a mass-determined body from rest to the indicated velocity. The body keeps the kinetic energy it acquired throughout its acceleration unless its speed changes.
Potential energy can be moved into motion by a variety of catalysts, including gravity and chemical reactions, to release kinetic energy. As a result, kinetic energy rises and potential energy falls. Mechanical energy is the sum of all kinetic and potential energy.
The capacity to perform work is arguably the most significant characteristic of kinetic energy. Force acting on an object while it is moving is referred to as work. Energy and work are interchangeable because of their tight relationship.
Thus, option A is correct.
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When evaluating a paper delivery, a homeowner would be most concerned about ____. a. the accuracy of the throws c. the speed of the throws b. the precision of the throws d. the acceleration of the throws Please select the best answer from the choices provided
Answer:
b. the precision of the throws
Explanation:
When dealing with paper delivery homeowners are mainly concerned about the precision of the throws. They technically want the paper to land directly on their front door. Landing there, the paper will be protected from the rain and be visible for the homeowner to easily see it and pick it up in the morning when they wake up. Bad precision can lead the paper to fall into a puddle or on the grass where it will get wet and become useless or even end up breaking a window or other fragile items.
Alcohol fermentation occurs in what type of cell
Answer:
Yeast cells
Explanation:
Na and Hydroxide formula
Answer:
I'm pretty sure it's NaOH
Explanation:
I hope this helps :D
Which particles are referred to as nucleons (subatomic particles located in the nucleus)?
Answer:
protons and neutrons
Explanation:
The protons have a positive electrical charge and the neutrons have no electrical charge. A third type of subatomic particle, electrons, move around the nucleus. The electrons have a negative electrical charge
Which best describes a compound such as magnesium oxide? an impure substance that is made up of two elements a mixture of two uncommon substances a mixture of two common elements a pure substance that is made up of different elements
Answer:
A pure substance that is made up of different elements
Explanation:
Answer:
D. a pure substance that is made up of different elements
Explanation:
Step-by-step explanation:
There are two types of pure substances: elements and compounds.
Elements are made up of only one type of atom. And compounds are pure substances, that are made up of more than one type of element. Like - magnesium oxide. It is a compound of a metal with a non-metal and is held together with ionic bonds.
9. Tomato plants in a garden are not growing
well. The gardener hypothesizes that the soil
is too acidic. To test this hypothesis
accurately, the gardener could
(1) plant seeds of a different kind of plant
(2) move the tomato plants to an area with
less sunlight
(3) change the pH of the soil
(4) reduce the amount of water
available to the plant
how many atoms are in 23 moles of oxygen ?
Answer:
23 moles Oxygen × 6.02 × 1023 atoms = 1.3846 × 1025 atoms Oxygen.
Explanation:
Look at Beaker B below. It shows a cell with 10% salt in a beaker filled with 2% salt. Which direction will water flow in?
Question 18 options:
water will flow from beaker to cell
water will from cell to beaker
Answer:
Water will flow from beaker to cell
Explanation:
Hopefully this helps!!! :)))
a chemist has a block of iron metal (density is 7.87 g/ml). the block weighs 1.90 g. what is the volume of the iron block in ml?
The block of iron metal with a density of 7.87 g/mL has a volume in mL of 0.2414 mL
The density formula and the procedure we will use is:
ρ = m/v
Where:
v= volumeρ= densitym= massInformation about the problem:
m= 1.90 gρ= 7.87 g /mLv= ?Applying the density formula and clearing the volume (v), we get:
ρ = m/v
v = m / ρ
v = 1.90 g / 7.87 g/ mL
v = 0.2414 mL
What is density?It is a physical quantity that expresses the ratio of the body mass to the volume it occupies.
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Question 9
Which of the following would have the highest mass?
A
0.75 mol CO3(PO4)2
B
1.2 mol Fel2
С
10 mol CH3C1
D
17.5 mol Cl2
Answer:
Answer: A. 3 mol 3 mol Al:
Explanation:
Te given balanced chemical equation is :
According to the stochiometry :
A: 3 mol 3 mol Al:
3 moles of chlorine reacts with 2 moles of aluminium
B. 2 mol 3 mol :
2 moles of aluminium reacts with 3 moles of chlorine
C. 2 mol 2 mol Al
2 mol of aluminium produces 2 mol of
D. 3 mol 2 mol
3 moles of chlorine produces with 2 moles of
Thus the conversion factor not used for mole to mole calculations is 3 mol 3 mol Al:
Explanation:
The name for TiSO5 is
Answer:
Titanium oxide sulphate
Explanation:
Changes in either _______ or _______ can cause a change in the state of matter.
A. Temperature or Pressure
B. Temperature or Matter
C. Matter or Pressure
Answer:
A. Temperature or Pressure
Explanation:
5)
Why do elements in the same family generally have similar properties?
Answer: Elements in the same family generally have similar properties because they contain the same number of the electrons, for instance.
Hope this helped!