A car hits a bug with a force of 100N. With how much force does the bug hit the car?
(A). 10 N
(B). 100 N
(C). 1000 N
Answer:
B
Explanation:
actin and reaction force are equal Newton 3 law
What are the two elements sand is made of? *
Answer:
tiny crystals of the mineral quartz, which is made out of silica and oxygen
Well, much of the world's sand is made out of the same stuff, tiny crystals of the mineral quartz, which is made out of silica and oxygen, the two most common elements in Earth's crust.
What is the interaction between geosphere and biosphere
Answer:
The Geosphere interacts with the Biosphere in various ways. For example; Geosphere creates, destroys and keeps various biosphere habitats safe. The Geosphere interacts with the Cryosphere in various ways. For example; Cryosphere receives snow from hydrosphere, glacier of Cryosphere gouges geosphere.
Explanation:
The Geosphere interacts with the Biosphere in various ways. For example; Geosphere creates, destroys and keeps various biosphere habitats safe. The Geosphere interacts with the Cryosphere in various ways. For example; Cryosphere receives snow from hydrosphere, glacier of Cryosphere gouges geosphere.
Which of the following transports information from the eye to the brain?
A) iris
B) visual cortex
C) optic nerve
D) cornea
Answer:
c
Explanation:
c is the correct answer
Answer:
c
Explanation:
Which type of molecule is propanol?
A. Alcohol
B. Aldehyde
C. Ketone
D. Amine
Answer:
A
Explanation:
Alcohol is a type of molecule in propanol. Hence, option A is correct.
What is propanol?Propanol molecular formula is C₃H₇OH.
C₃H₇OH contains -OH functional group which belongs to alcohol.
Hence, option A is correct.
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An hibernating bear accumulates 25 kg of a triglyceride (846 g/mol) comprising the following fatty acids: C16, C17 and C18∆9. How many grams of β-hydroxybutyrate (104 g/mol) can the bear produce from this triglyceride during its hibernation?
The quantity of β-hydroxybutyrate the bear can produce
during hibernation is 3,073.30grams.
Hibernation is defined as the period of less activity by animals to conserve energy to survive coarse weather conditions.
A typical example of an animal that hibernates is the bear.
From the question, a bear is able to accumulate 25kg (25000grams) of triglyceride.
To calculate quantity of β-hydroxybutyrate that would be produced from 25kg triglyceride;
846g of triglyceride = 104grams of β-hydroxybutyrate
25000g of triglyceride = x grams
(Cross multiple to solve for x grams)
X = 104 × 25000/846
[tex]x = \frac{104 \times 25000}{846} [/tex]
[tex]x = \frac{2600000}{846} [/tex]
[tex]x = 3073.30grams[/tex]
Therefore, the quantity of β-hydroxybutyrate the bear can produce during hibernation is 3,073.30grams.
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Hola alguien me puede ayuda esto no se como
Both propane and butane are used as gaseous fuels. Which compound produce more heat per gram burned? (mass of propane (C 3 H 3 )=44.1g/mol. mass of butane (C,H,0)=
58.1g/mol)(10pts)
(Hpropane-103.8kJ/mol.) (H propane-126.0kJ/mol)
Since the heat of combustion of butane is higher than that of propane, butane will produce more heat per gram when burned compared to propane.
The heat of combustion of a compound refers to the heat evolved when one mole of the compound is burnt under standard conditions. This heat of combustion increases from methane upwards.
Since the heat of combustion of alkanes increases according to increasing molar mass, butane will produce more heat per gram when burned compared to propane.
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During the formation of an ionic compound
1) One atom losses electrons and the second gains electrons
2) Two atoms lose electrons
3) Two atoms gain electrons
natural gas is methane. write the equation for complete combustion of methane.
Answer:
methane + oxygen → water + carbon dioxide CH4 + 2O2 → 2H2O + CO2
Explanation:
hope this helps
identify a binary salt among the following a,KNO3 b,NACIO3 c,MGSO4 d,CaCL2
The binary salt among the given salts is CaCl₂. The correct option is d,CaCl₂
From the question,
We are to identify the binary salt among the given salts.
First, we will define the term binary salt
A binary salt is a chemical compound that is formed from the mixture of a metal and a non-metal.
Among the given options, CaCl₂ is the salt formed from the mixture of a metal and a non-metal.
The metal is Calcium (Ca)
and the non-metal is Chlorine (Cl)
Hence, the binary salt among the given salts is CaCl₂. The correct option is d,CaCl₂
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need help with this question asap :)
-20 points!..
Which of these is a balanced chemical equation?
NEED ANSWER! WILL BRAINLIST!
• Why are tailings an environmental concern?
A. They are a form of sewage that is found in agricultural runoff.
B. They are the remains from mining and contain harmful chemicals.
C. They are the waste products left over from fracking for natural gas.
D. They are a type of greenhouse gas that can enter the atmosphere.
B. They are the remains from mining and contain harmful chemicals.
If the heat is added to an endothermic system, at equilibrium, the system will move to the _________ to regain equilibrium.
Answer:
At equilibrium, the system will move to the right to regain equilibrium
Convert 1.16 mol of calcium cyanide, Ca(CN)2, to mass.
Is it correct ?!???!);$);
Answer:
None of the above
Explanation:
process of elimination i guess, also delta E measures the amount of change in visual perception of two colors, so it probably wont mean w (work).
then again i may be wrong-
Many fundamental concepts are at the heart of chemistry. Match the description to the name.
Answer:
you dony have a picture for me to match them
Explanation:
Please help! Urgent: take ur time and answer it correctly
Answer:
an electric field is a field around a charged particle or object within which a force ( electric force) would be exerted on other charged particles or objects.
Explanation:
particles with unlike charges attract one another while particles with like charges repel each other.
Answer all questions please and be quick, it’s very URGENT
U will get BRAINLY
Explanation:
Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field. ... Electric charge is carried by subatomic particles. In ordinary matter, negativecharge is carried by electrons, and positive charge is carried by the protons in the nuclei of atoms.
Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field. There are two types of electric charge: positive and negative (commonly carried by protons and electrons respectively). Like charges repel and unlike attract. An object with an absence of net charge is referred to as neutral. Early knowledge of how charged substances interact is now called classical electrodynamics, and is still accurate for problems that do not require consideration of quantum effects.
6. For which movement of earth materials is gravity not the main force?
a. snow tumbling in an avalanche
b. moisture evaporating from an ocean
c. boulders carried by a glacier
d. sediments flowing in a river
Answer:
B
Explanation:
Moisture evaporating is going against the pull of gravity
need help with this question, anybody ..
-20 points :)
How are oxidation-reduction reactions related to how you use energy?
Answer:
In oxidation reduction reactions, one species gets reduced by taking on electron(s) and another species gets oxidized by losing electrons. The movement of electrons can be used to do work. ... The electron flow can be run through a wire and these electrons can be used to do work (like run a battery). Hope this helps.
Define the terms (a) sedimentation ( b )decantation
Answer:
Sedimentation: Sedimentation is the process of allowing particles in suspension in water to settle out of the suspension under the effect of gravity.Decantation: Decantation is a process for the separation of mixtures of immiscible liquids or of a liquid and a solid mixturehope u liked the answer :)
Calculate the vapor pressure in torr of a solution containng 24.5 g of glycerin (C3H8O3) in 135 mL water at 30.0* C; the vapor pressure of water at this temperature is 31.8 torr. Assume that glycerin dissolves molecularly (does not dissociate).
Revise the following statement to make it true:
All living things inside of an area are part of the population.
Answer:
All the individuals of a species living within a specific area are collectively called a population.
Explanation:
What is the balanced net ionic equation when aqueous solutions of Pb(NO3)2 and KBr are mixed and form a product
Answer:
KBr+Pb(NO3)2=? is an equation you can use.
Explanation:
The boiling point of a liquid is tested at 10 different pressures, from 0.5 to 1.4 atmospheres. The results of the tests show that
there is a nearly constant increase in boiling point for each increase in pressure. Which conclusion is reasonable based on this
information? (1 point)
O A boiling point at 1.5 atmospheres could not be predicted with any certainty at all.
O A boiling point at 15 atmospheres could not be predicted with any certainty at all.
O A boiling point at 1.5 atmospheres could be predicted fairly well.
O A boiling point at 15 atmospheres could be predicted fairly well.
Since the increase in boiling point with increasing pressure is fairly constant, then, the boiling point at 1.5 atmospheres could be predicted fairly well.
We say that a substance has reached its boiling point when its pressure equals the atmospheric pressure. Recall that we can be able to make predictions from the results of an experiment.
In this case, we are told that there is a nearly constant increase in boiling point for each increase in pressure. Therefore, it is reasonable to conclude that, a boiling point at 1.5 atmospheres could be predicted fairly well.
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how many moles of carbonate are there in sodium carbonate
There are 0.566 moles of carbonate in sodium carbonate.
CALCULATE MOLES:The number of moles of carbonate (CO3) in sodium carbonate (Na2CO3) can be calculated by dividing the mass of carbonate in the compound by the molar mass of the compound. no. of moles of CO3 = mass of CO3 ÷ molar mass of Na2CO3Molar mass of Na2CO3 = 23(2) + 12 + 16(3)= 46 + 12 + 48 = 106g/molmass of CO3 = 12 + 48 = 60gno. of moles of CO3 = 60/106 no. of moles of CO3 = 0.566molTherefore, there are 0.566 moles of carbonate in sodium carbonate.Learn more about number of moles at: https://brainly.com/question/1542846
LAST ATTEMPT! Covalent compound naming !
S2Cl4 = Disulfur Tetrachloride
C5Br8 = N/A
Cl2O3 = Dichlorine trioxide
H2S3 = Trisulfane
Formula: N4S4 = Trisulfur Tetrafluoride
Formula: CBr4 = Hexanitrogen trisulfide
Formula: SiO2 = Heptasilicon
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