Answer:
D. The maximum amount of solute is dissolved in it.
Answer:
D. The maximum amount of solute is dissolved in it.
Explanation:
What is specific heat?
Specific heat is the amount, like the other brainly answer said, of heat per unit mass required.
FeCo2+NaCo3+Hg+Co2No3
Explanation:
the answer is sodium carbonate
what is 412.12 reduced to two significant figures?
Answer: 410
Explanation:
Drop the retaining numbers 1 and 2 after the decimal and then round the 2 in 412 to 0 because any number less than 5 rounds to 0. 0 shouldn’t count as a sig fig.
WILL VOTE BEST & GIVE 25 POINTS - PLEASE ANSWER
Your mom needs some pills from the Walgreens pharmacy for her diabetic medication. If one of the
pills weighs 650mg and the technician weighs exactly 15.6g of pills, how many pill were dispensed
and placed into the pill bottles. Show all work with units.
Answer:
24 pills
Explanation:
650 mg/1000 = 0.65 g
(There are 1000 mg in one g)
15.6g/0.65g=24
10. Find the mass of 0.061 mol of H2O2.
11. Find the mass of 0.30 mol of Ne.
Answer:
10. 2.0748gm
11. 6.05391gm
Explanation:
In 2011, fires in Bastrop County, Texas were the most damaging wildfires in Texas history. The fire spread through the pine trees and scorched nearly 5,700 acres of Bastrop State Park. The majority of the Houston toad’s habitat was lost, and the Lost Pines Forest was greatly affected. As ecological succession began, which of these most likely appeared in the Bastrop forest area first?
A.Shrubs and trees
B. Newly developed topsoil
C.Weeds and grasses
D.Lichens on fallen trees
The most likely appeared in the Bastrop forest area first is to be considered as the C.Weeds and grasses.
What is ecology?It is the study that represents the relationships between a living organism that involved the human, and the physical environment.
It is at the individual, population, community, ecosystem, etc.
Hence, the option c is correct.
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1. Which of the following
equalities is false?
A. 1 kilogram = 100 meters
B. 50 milliliters = 5 centiliters
C. 3 grams = 0.003 milligrams
D. 70 hectometers = 7,000 decimeters
how does the law of conservation of mass applies to all chemical reactions?
Answer:
the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction. If we account for all reactants and products in a chemical reaction, the total mass will be the same at any point in time in any closed system.
Explanation:
The law of conservation is Matter cannot be created or destroyed in chemical reactions so it means exactly that
!! brainliest answer !! please help it's due tonight :)
Answer:
3. D
28. also known as Freon 12
Explanation:
The amount of space is ___ and a common unit is ___.
A. mass, gram
B. volume, gram
C. mass, mL
D. volume, mL
Answer:
c
Explanation:
I NEED HELP WIT QUESTION THREE
Answer: 2.00
Explanation:
2 rounded to the nearest hundredth is 2.00
your welcome :)
answers for all three:
1. 4.00
2. 16.04
3. 2.00
Give the number of protons, electrons and neutrons in one atom of Carbon.
Answer:
6 protons, 6 neutrons, and 6 electrons.
Explanation:
Plants respond to different kinds of stimuli. A plant's roots searching for water are an
example of what kind of response?
A. thigmotropism
B. phototropism
C. hydrotropism
D. gravitropism
Answer:
Explanation:
Hydrotropism
PLS HELPPPP OMG PLSPLSPLSPLSPLS
Answer:
D 44.8 L liters of hydrogen gas
What do normal people call it?
Explanation:
crystal rocks blue ig
.
.
The diagram below shows the different phase transitions that occur in matter.
Solid
3
Liquid
16
Gas
Which arrow represents the transition in which dew is formed?
1
O2
4
6
Answer:
C.4
Explanation:
The arrow 4 represents the transition in which dew is formed.
What is Dew?This is formed as a result of condensation which takes place in the morning or evening and is usually seen on exposed surfaces as water droplets.
The air particles in the form of vapor under low temperatures results in the formation of the substance. The arrow 4 thereby depicts it and makes it the most appropriate choice.,
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between vertebrae
2-The backbone contains.......
c. joints
b. tendons
a. cartilages
I'm not getting any help here
Answer:
Oh I am sorry
Explanation:
How can I help you
Answer:
same
Explanation:
I don't know what is hapening
how many moles are in 5g of Na2CO3?
a) 0.047
b) 1
c) 2
d)21.2
Answer:
0.047
Explanation:
Data : 5g , Na2CO3
Formula:
Molecular mass of Na2Co3 = no.of atomic mass x no. of atom
moles = mass÷ molecular mass
molecular mass = 2(23)+1(12)+3(16)
=106amu
moles = 5÷106
= 0.047 Ans:
How can you increase reaction rate in the forward direction? Chose all that
apply
Answer:
Sorry my task time about to run out : (
Explanation:
how many atoms are present in the compound (nh4)2cr2o7
Answer:
2,8,2,and,7
Explanation:
What is the freezing point of solution that has 185.25 grams of Ca(OH)2 (formula mass = 74.1) dissolved in 2,500 grams of water at standard pressure?
Answer:
The freezing point depression ∆T = KF·m where KF is the molal freezing point depression constant and m is the molality of the solute. Rearrangement gives: mol solute = (m) x (kg solvent) where kg of solvent is the mass of the solvent (lauric acid) in the mixture. This gives the moles of the solute.
Explanation:
Does this help at all??
fill in the blank
______ is a way to describe matter with numbers and units.
Measurement is a way to describe matter with numbers and units.
Measurement is a fundamental process used to describe and quantify various aspects of matter. It involves assigning numerical values to physical quantities and expressing them using appropriate units of measurement.
In scientific and everyday contexts, measurements provide a standardized and consistent way to communicate information about the properties, dimensions, quantities, and characteristics of objects, substances, or phenomena. By using measurements, we can describe the size, length, mass, volume, temperature, time, and many other attributes of matter.
The process of measurement typically involves two components: a numerical value and a unit. The numerical value represents the magnitude or quantity being measured, while the unit provides the reference or scale by which that quantity is expressed. Units help provide meaning, context, and comparability to measurements.
Hence, measurement provides a quantitative and objective way to describe matter, allowing us to understand and interact with the physical world in a systematic and meaningful manner.
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When a comet enters the solar system, it curves toward the sun. Which statement describes why the sun does not move when a comet is nearby?
Answer:
Explanation:
When a comet enters the solar system it curves towards the Sun due to the Sun's gravitational pull. Every celestial object in the universe has a gravitational pull whose force is dependent on the object's mass. The larger the object is the more gravitational pull it will have. The Sun is the largest object in our Solar system and therefore has the most gravitational pull. This is why the comet curves toward the Sun, but the opposite does not happen because the comet's gravitational pull is not strong enough to pull the Sun.
How does density affect the organization of earth?
A : The densest material is closest to the center
B : The density material is farthest from the center.
C : The densest material is near the center
D : Density differences allow Earth materials to mix freely. ( science by the way )
Answer:
Earth has layers because of density. Dense materials such as iron sank to the middle of the Earth, the center of its gravity. Less dense materials stayed at the top.
Explanation:
hope this help:)
The answer to the question, How does density affect the organization of earth is A : The densest material is closest to the center
The earth is made up of different layers namely,
The crustThe upper mantleThe lower mantleThe outer core andThe inner core.Each layer goes from topmost to inner most and the density of each layer increases as we moves closer to the center of the earth.
So, the densest material is closest to the center.
So, the answer to the question, How does density affect the organization of earth is A : The densest material is closest to the center
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How many moles of nitrogen are in 1 mole of Al(NO3)3?
O A. 4 moles of nitrogen
O B. 1 mole of nitrogen
C. 3 moles of nitrogen
O D. 7 moles of nitrogen
Answer:
c i think
Explanation:
What are two things in nature that solar energy powers?
Answer: light and heat
Explanation:Our sun is the source of all life on Earth, and solar energy is useful to us in many different ways. The sun creates two main types of energy - light and heat - that we can harness for many activities ranging from photosynthesis in plants to creating electricity with photovoltaic (PV) cells to heating water and food.
Name the binary covalent compounds.
CO2:
CS2:
PBr3:
P2S5:
N2S:
SiS2:
NBr3:
N2Cl4
Answer:
CO2: Carbon Dioxide
CS2: Cardon Disulfide
PBr3: Phosphorus Tribromide
P2S5: Phosphorus Pentasulfide
N2S: Monosulfur Dinitride
SiS2: Silicon Disulfide
NBr3: Nitrogen Tribromide
N2CI4: Sorry don't know this one.
Atoms of two distinct elements are bound together by covalent bonds to form binary covalent compounds. They typically contain nonmetal elements, such as laughing gas NO, a gas that causes acid rain SO₂, etc. Binary covalent compounds are those that consist of just two components.
The definition of a covalent compound is one in which the atoms are joined by a covalent connection. Compounds with just two elements are referred to as binary covalent compounds.
The name of the given compounds are:
CO₂: Carbon Dioxide
CS₂: Cardon Disulfide
PBr₃: Phosphorus Tribromide
P₂S₅: Phosphorus Pentasulfide
N₂S: Monosulfur Dinitride
SiS₂: Silicon Disulfide
NBr₃: Nitrogen Tribromide
N₂CI₄: Dinitrogen Tetra chloride
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Calculate the pH if the pOH = 7.4
Round your answer to two decimal places.
i need points
Explanation:
what is the name of the world's first scientist?
Answer:
Aristotle is considered by many to be the first scientist, although the term postdates him by more than two millennia. In Greece in the fourth century BC, he pioneered the techniques of logic, observation, inquiry and demonstration.
Explanation:
hope this help:))