Answer:
C. As the temperature increases,the speed of gas molecules increase.
help please I'll mark you as a brainliest promise.
Answer:
Law of the Sea Treaty
LOST Local Option Sales Tax (special purpose tax)
LOST Linux One Stanza Tips
LOST Liberty Owners Special Team
LOST Looking Over Strange Terrain :-)
LOST Line Of Sight Tasking
Explanation:is this what you meant?
I NEED HELP!!OMG OMG OMG
Winter is purple, spring is blue, summer is orange, fall is green.
A solution that contains 3 grams of solute dissolved in 100 millimeters of solution is:
a) 3% m / m
b) 3% m / v
c) 10% m / v
Answer:
the answer is correct part another is a part
Explanation:
c part
non-protein amino acid (A) orithine (B) homocysteine
Answer:
Homocysteine is though to be a non-protein animo acid. however in vintro studies suggest that Homocysteine is likely to be incorporated by inderict
What types of orbitals are found in the third energy level?
Answer:
1 s-orbital, 3 p-orbital and 5 d-orbital
Answer:
there are a total of nine orbitals in a third energy level
Explanation:
Which best defines color? (1 point)
a physical property of matter related to how a material interacts with different wavelengths
of light
a chemical property of matter related to how a material interacts with different wavelengths
of light
O a physical property of matter related to a material's ability to reflect light
O a chemical property of matter related to a material's ability to reflect light
Answer:
O a physical property of matter related to a material's ability to reflect light
Explanation:
Color is a physical property of matter.
What equipment is generally used to make lyophilized medications suitable for administering to the patient? a) Test tubes or sterile ampules O b) Petri dishes and sterile droppers c) Sterile syringes or graduated cylinders d) Measuring cups and clean, warm water
Please answer!!
No links.
Picture is included!
Answer:
c
Explanation:
milk is heterogeneous mixture why
Answer:
Milk is essentially a colloidal dispersion of fat in water. ... However, the fact remains that the fat and water components cannot be mixed together from a solution. There are therefore, two distinct immiscible liquid phase's present, which is why it is a heterogeneous mixture.
why brain remembers picture better than words?
Answer:
your brain processes ever detail in a picture rather than words for for example a picture of something words doesn't describe it as well as the picture could.
list 2 underlying causes of water pollution
Answer:
industrialization and rapid human population growth.
Explanation:
Hope this helps
Answer:
Water Pollution
Explanation:
Dumping industrial waste in ocean
Accidental oil leakages
How many atoms are present in a 0.600- mole sample of gold?
WILL BRAINLIST! NEED ANSWER!
• Why is it important to recycle metals?
A. to maintain sustainability
B. to create more tailings
C. to make sure ore remains renewable
D. to make it easier to extract ore from the ground
How do the terms genotype and phenotype relate?
O Both are sets of alleles that define traits.
O An organism's phenotype leads to its genotype.
O An organism's genotype leads to its phenotype.
Both are terms for observable traits
Answer:
c is the
Explanation:
In lab a student is asked to mix solutions of copper (II) sulfate and potassium phosphate. The
student wants to produce exactly 3.75 grams of precipitate. Based on the desired outcome
determine the volume of 1.25M copper (Il) sulfate and 0.75 M potassium phosphate required.
I believe the volume would turn out to be 2.35M but i could be wrong
Aqueous sodium phosphate and aqueous iron (III) chloride react to produce aqueous sodium chloride and solid iron (III) phosphate.
Answer:
this one is hard
Explanation:
but it's iron because the sodium so yea there u go.
Gold has a specific heat of 0.126 J/g.C. Copper has a specific heat of 0.386 J/g C. Which of the two metals would require more
heat energy to raise the temperature of the same weight of metal by 10.5C?
Answer:
The copper, because its specific heat is higher, meaning it takes more heat (Joules) per gram to raise the temperature 1 degree Celsius.
Explanation:
what substance changes directly solid to gas
3 examples
Answer:
Air FreshenersSpecialized PrintersMoth Balls
Which of these challenges is unique to the process of designing prostheses as opposed to engineering other technologies?
- Knowing how a material will fail
- Using the engineering process
- Identifying a need for the technology
- Predicting how a technology will interact with human tissue
Answer:
predicting how a tech will interact with human tissue.
Explanation:
thats not really common except for in the medical field.
The challenge that is unique to the process of designing prostheses as opposed to engineering other technologies is Predicting how a technology will interact with human tissue. The correct option is option 4.
What is Prosthetic Design?Prosthesis design is typically undertaken by shaping wax on a plaster replica of the patient's anatomy. Realism is predominantly achieved through the prosthetist's ability to interpret the correct location and physically recreate the anatomical shape and detail.
Prosthetic applications are an example of the intersection of design, technology and science.
Therefore, The challenge that is unique to the process of designing prostheses as opposed to engineering other technologies is Predicting how a technology will interact with human tissue. The correct option is option 4.
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If the vapor pressure of water at 20.0 o C is 17.535 torr, and the atmospheric pressure measured by a barometer was 757.3 torr, what is the partial pressure of H2 in the gas mixture in a buret
Answer:
f the vapor pressure of water at 20.0 o C is 17.535 torr, and the atmospheric pressure measured by a barometer was 757.3 torr, what is the partial pressure of H2 in the gas mixture
Partial pressure of H2 in gas mixture is :
739.765 torr .
Explain total pressure?The overall pressure ptot is the total of all pressures in a reference system. This pressure, according to Bernoulli (see Fluid mechanics), consists of the static pressure p, the dynamic pressure pdyn, and the geodetic component ( g z) that exists in a fluid along a stream line in a frictionless flow.The total pressure of a gas mixture is the sum of its component gases' partial pressures: Ptot = ∑Pi = P1 + P2 + P3... ntot = total number of moles in the gas mixture (the sum of all ni).Total pressure of mixture =
Partial of hydrogen + Partial pressure of oxygen
Partial of Hydrogen = Total pressure - partial pressure of oxygen
Here total pressure = 757.3 torr
Partial pressure of oxygen = 17 . 535 torr
Total pressure = 757 . 3 - 17 . 533
= 739.765 torr.
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If 9 moles of P203 are formed, how many
moles of O2 reacted?
How many molecules are there in an ideal gas with a volume of 7.27 L at STP?
number of molecules:
Answer:
n = 0.324 mol
Explanation:
PV = nRT
STP:
273.15K and 101.325kPa
n = PV/RT
n = (101.325kPa)(7.27L)/(8.314 L kPa/mol K)(273.15K)
n = 0.3243693408 mol
n = 0.324 mol
Hope that helps
Which law states that energy cannot be created or destroyed, but can change from one form to another?
- the law of conservation of energy
- the law of conservation of matter
- the law of gravity
- the law of motion
answer - (the law of conservation of energy)
Answer:
the law of conservation of energy
describe an experiment that would show that intramolecular forces (attractions between atoms within molecules) are stronger than intermolecular forces (attractions between molecules).
Answer:
Molecules don’t have to collide with each other in order to experience intermolecular forces.
Molecules with permanent dipoles, held in fixed orientation, such as water molecules in the solid state (ice), interact with a potential proportional to the inverse cube of distance. This intermolecular force always exists, no matter how far apart the molecules are; every water molecule interacts with every other water molecule. However, because it diminishes rapidly with distance, it tends to only be important at short distances. (In contrast, the potential between two ions goes as 1/r, and that between an ion and a dipole goes as 1/r^2.)
The van der Waals forces, of which London dispersion forces are the most important, are described by a potential proportional to the inverse sixth power of distance. Theoretically, those forces are always operating between any two atoms or molecules, but again, only become important at short distances.
Explanation:
hope this helps
Octane has a density of 0.703 g/ml. Calculate the mass of CO2(g) produced by burning one
gallon of octane. There are 3.79 liters to one gallon.
The mass of CO₂ gas produced during the combustion of one gallon of octane is 8.21 kg.
The given parameters:
Density of the octane, ρ = 0.703 g/mlVolume of octane, v = 3.79 litersThe mass of the octane burnt is calculated as follows;
[tex]m = \rho V\\\\m = 0.703 \ \frac{g}{ml} \times 3.79 \ L \ \frac{1000 \ ml}{L} \\\\m = 2,664.37 \ g[/tex]
The combustion reaction of octane is given as;
[tex]2C_8H_{18} + \ 25O_2 \ --> \ 16CO_2 \ + \ 18H_2O[/tex]
From the reaction above:
228.46 g of octane -------------------> 704 g of CO₂ gas
2,664.37 of octane --------------------> ? of CO₂ gas
[tex]= \frac{2,664.37 \times 704}{228.46} \\\\= 8,210.3 \ g\\\\= 8.21 \ kg[/tex]
Thus, the mass of CO₂ gas produced during the combustion of one gallon of octane is 8.21 kg.
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what is the mass number of an atom that has six protons. six electrons, and eight neutrons?
Mass number is the sum of the total number of nucleons (neutrons + protons) present in the atom.
Mass number = Protons + Neutrons
Mass number = 6 + 8
Mass number = 14
_______
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Which phenomena does wind cause?
A)tides and waves
B)deep currents and tides
C)waves and surface currents
D)surface currents and deep currents
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The phenomena which wind causes are waves and surface currents.
What are surface currents?
Surface currents are caused by winds which blow over the ocean water and result in creation of waves. Surface currents are horizontal streams of water which are capable of flowing thousands of kilometers and can reach great depths.
Surface currents play a major role in determining the climate all over the world. They are influenced by three major factors 1) overall global wind patterns 2)rotation of earth 3)shape of ocean basins . When a surface current collides with the land it changes the direction of currents.
Because of surface currents the global climate has warmer water from equator to the cooler parts of the ocean as they transfer heat energy.
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A candle is placed between a concave mirror and its focal point.
Which two of the following best describe the image?
O A. Enlarged
B. Virtual
C. Reduced
D. Real
Virtual and enlarged..............
What grade are you in btw ?
a meter is defined as 100. cm. How many significant digits are there in the value
Answer:
3 significant figure
Explanation:
Trailing zeros in a number are significant ONLY is the number contains a decimal point.
So if it was 100cm with out the decimal point would only have 1 significant figure.
Define atomic numbers and mass numbers
Answer:
1). Atoms of each element contain a characteristic number of protons. In fact, the number of protons determines what atom we are looking at (e.g., all atoms with six protons are carbon atoms); the number of protons in an atom is called the atomic number.
2) In contrast, the number of neutrons for a given element can vary. Forms of the same atom that differ only in their number of neutrons are called isotopes.
3) Together, the number of protons and the number of neutrons determine an element’s mass number: mass number = protons + neutrons. If you want to calculate how many neutrons an atom has, you can simply subtract the number of protons, or atomic number, from the mass number.