PLEASE HELP ME.
Where on figure 26 is a hurricane located? How does the air pressure near its center compare the air pressure in Tampa Bay, Florida
Answers
Answer:
its located on the east of Florida
Explanation:
loo at the map, and youll see it
Related Questions
Hockey is a sport in which players use hockey sticks to push a puck across smooth ice. At practice one day, three different-colored hockey pucks were sliding on the ice. The green hockey puck has less mass than the black and purple hockey pucks, which have the same mass. A player hit each hockey puck with a stick, but not from the same direction. Use the information in the diagram to answer.
Which puck(s) experienced the strongest force when hit? How do you know?
Answers
Answer:
The purple hockey puck; it takes a stronger force to slow down a more massive object than to speed it up.
Explanation:
Hope this helps! :) Plz mark as brainliest if u can!
In the list below, What were the likely ACID and BASE that react to form KCl?
HCl
H2SO4
Ca(OH)2
KOH
NaOH
HBr
Answers
Answer:
HCI and KOH
Explanation:
HCI + KOH >> H2O + KCI
The chemical analysis of a compound gave the percentage composition by mass: Carbon 40%, Hydrogen 6.67% and Oxygen 53.3%. The relative formula mass of a compound is 180. What is the molecular formula of this compound?
Answers
Answer:
C6H12O6
Explanation:
I attached the method for solving above.
Please help me!! :DDDDD
Answers
Answer:
i think b
Explanation:
4. Calculate the mass of each element:
a) 3.25 mol of He
b) 0.0455 mol of Ni
c) 1.33 mol of K
Answers
b) 2.68g (2dp)
c) 51.87g
Tip: mass = moles x Mr
_Al + _Fe(NO3)2 -->_Fe + __Al(NO3)3
Answers
At what point is a base no longer added during a titration?
A. when the pH increases suddenly in the flask
B. when the phenolphthalein remains clear in the flask
C. before the solution in the flask reaches the equivalency point
D. before half of the base is completely drained from the burette
Answers
Answer:
when the pH increases suddenly in the flask
Explanation:
I think it's right. :)
When the pH increases suddenly in the flask at that point is a base no longer added during a titration.
What is titration?Titration is a typical quantitative chemical analysis procedure used in laboratories to quantify the concentration of a specified analyte. The titrant or titrator is a reagent that is produced as a standard solution with a known concentration as well as volume.
What is pH?The pH scale, which originally stood for "potential of hydrogen," is used to describe the acidity as well as basicity of aqueous solutions. The pH of acidic solutions is lower than that of basic as well as alkaline solutions.
To know more about pH and titration.
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TRUE OR FALSE?
Solvents are the component in solutions with highest percent composition
Answers
Answer:
True
Explanation:
I think this is a helpful for you
what type of ion do elements from each of the following groups form ,
group1
group 7.
Answers
Answer:
group 1 - cations charge +1
group 7 - anions charge -1
Explanation:
Group 1 has one valence electron and will lose one electron to complete the octet.
Group 7 has 7 valence electrons and will accept an electron to complete the octet.
Group 1 elements form cations while group 7 elements form anions as per their electronic configuration.
What is electronic configuration?
Electronic configuration is defined as the distribution of electrons which are present in an atom or molecule in atomic or molecular orbitals.It describes how each electron moves independently in an orbital.
Knowledge of electronic configuration is necessary for understanding the structure of periodic table.It helps in understanding the chemical properties of elements.
Elements undergo chemical reactions in order to achieve stability. Main group elements obey the octet rule in their electronic configuration while the transition elements follow the 18 electron rule. Noble elements have valence shell complete in ground state and hence are said to be stable.
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Please help Me I really need it
Answers
A sample of gas consists of 4.0 moles, and exists at stp. What is the volume of the gas?
Answers
Answer:
The volume of the gas is 89.60
Explanation:
When converting from moles to volume, you would multiply by 22.4 because 1 mole equals 22.4 liters at STP.
So...
4.0 moles * 22.4 liters =
89.60 liters
Answer:
[tex]\boxed {\boxed {\sf 89.6 \ liters}}[/tex]
Explanation:
At STP (standard temperature and pressure), all gases have a volume of 22.4 liters per mole.
[tex]\frac {22.4 \ L }{1 \ mol }[/tex]
Multiply by the given number of moles, 4.0
[tex]4.0 \ mol *\frac {22.4 \ L }{1 \ mol }[/tex]
The moles will cancel out. The 1 in the denominator can be ignored, so this becomes a simple multiplication problem.
[tex]4.0 * {22.4 \ L }=89.6 \ L[/tex]
4.0 moles of a gas at STP have a volume of 89.6 liters.
will these compounds have triple, single, or double bonds ?
C02
Br2
Answers
Answer:
double bond
Explanation:
it contains combinations
W + BgCz2 --> WCz + Bg
Balance this equation
Answers
Answer: W + BgCz2 arrow WCz + Bg
2 W + BgCz2 arrow 2 WCz + Bg
Explanation:
Cz has 2 so you balcne the other side of WCz.
Since you Balcanes the Cz you changed the W and you Balcanes the other W on the left side.
Calculate the change in heat (Q) that occurs when 38.68grams of steam at 304°C cools to liquid water at 197°C. (cp = 4.184 J/g°C)
Answers
Answer:
Change in heat (Q) = -1.7316 x 10⁴
Explanation:
Given:
Mass m = 38.68 g
Change in temperature Δt = (197-304) = -107°C
Specific heat C = 4.184 J/g°C
Find:
Change in heat (Q)
Computation:
Change in heat (Q) = (C)(m)(Δt)
Change in heat (Q) = (4.184)(38.68)(-107)
Change in heat (Q) = -1.7316 x 10⁴
which factor prompts flowering in most plants?
Answers
Which of the following masses is the greatest?
Answers
Answer:
4.2 gigagrams
Explanation:
kilo = 1,000
giga = 1,000,000,000
milli = .001
wuuutttttt....help me
Answers
HELP PLEASE I BEG YOU
Answers
Question 3 please help :)
Answers
Explanation:
Removing B from the system
- Decreases the rate of the reaction. Backward reaction (formation of reactants) is favoured.
Crushing A into a powder
- Increases the rate of reaction. This is because of the increased surface area of A.
Warming the system
- Increases the rate of the reaction. Temperature is proportional to rate of reaction.
Adding more A to the system
- Increases the rate of reaction. Forward reaction (formation of products) is favoured.
Putting the system into an ice bath
- Decreases the rate of reaction. Temperature is proportional to rate of reaction.
Decreasing the pressure of the system
- Decreases the rate of the reaction.
HELPPPP!!!
Which element has the greatest atomic size?
a) Francium
b) Hydrogen
c) Rubidium
d) Sodium
Answers
Answer:
A. Francium
Explanation:
I'm not for sure but I believe this is correct. Hope it helps:)
Diamonds are one of the hardest materials known. Hardness is how resistant a material
is to being scratched by another material. If two samples of metal that appear identical
are scratched by a diamond, is that sufficient to determine that they are the same metal?
Why or why not?
Answers
1. Sam needs to know the volume of a cardboard box. Which tool
would he use to find the measurements he needs to calculate
volume?
A)ruler
B(balance
C) spring scale
D)thermometer
Answers
Mg(OH)2 + 2 HBr à MgBr2 + 2 H2O
Answer the questions below based on the above reaction. Answer with the correct number of significant figures. Show your work! Each question is worth 8 points. 1 point for sig figs, 1 point for correct final unit, 3 points for correct final answer, 2 points for correct molar masses, and 1 point for dimensional analysis table.
1. How many grams of MgBr2 will be produced from 18.3 grams of HBr?
2. How many moles of H2O will be produced from 18.3 grams of HBr?
3. How many grams of Mg(OH)2 are needed to completely react with 18.3 grams of HBr?
Answers
Explanation:
The balanced equation of the reaction is given as;
Mg(OH)2 (s) + 2 HBr (aq) → MgBr2 (aq) + 2 H2O (l)
1. How many grams of MgBr2 will be produced from 18.3 grams of HBr?
From the reaction;
2 mol of HBr produces 1 mol of MgBr2
Converting to masses using;
Mass = Number of moles * Molar mass
Molar mass of HBr = 80.91 g/mol
Molar mass of MgBr2 = 184.113 g/mol
This means;
(2 * 80.91 = 161.82g) of HBr produces (1 * 184.113 = 184.113g) MgBr2
18.3g would produce x
161.82 = 184.113
18.3 = x
x = (184.113 * 18.3 ) / 161.82 = 20.8 g
2. How many moles of H2O will be produced from 18.3 grams of HBr?
Converting the mass to mol;
Number of moles = Mass / Molar mass = 18.3 / 80.91 = 0.226 mol
From the reaction;
2 mol of HBr produces 2 mol of H2O
0.226 mol would produce x
2 =2
0.226 = x
x = 0.226 * 2 / 2 = 0.226 mol
3. How many grams of Mg(OH)2 are needed to completely react with 18.3 grams of HBr?
From the reaction;
2 mol of HBr reacts with 1 mol of Mg(OH)2
18.3g of HBr = 0.226 mol
2 = 1
0.226 = x
x = 0.226 * 1 /2
x = 0.113 mol
Identify the product(s) in the reaction below. 2H20 - 2H2 + O2 O
A. H₂O O
B. H20 and H2 O
C. H20 and 02 O
D. H2 and 02
Answers
H2 and 02 are the products of this chemical reaction because of the splitting of water molecule.
What are the products of this reaction?The products of this chemical reaction are H2 and 02 because when the water molecule dissociates or splits hydrogen and oxygen molecules are formed. We know that water is produced from the combination of hydrogen and oxygen.
So we can conclude that H2 and 02 are the products of this chemical reaction because of the splitting of water molecule.
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4. Salt and water are stirred together in a beaker. The solid salt particles seem to disappear
in the water. Which is the best explanation for the product that is formed?
A) A homogenous mixture has been created C) A compound has been created.
B) A heterogenous mixture has been created D) A new element has been
Answers
Answer:
I think C. A compound has been created
NEED HELP ASAP!!! 20 POINTS!!
Which of the following is an exothermic reaction?
A) N2(g) + 2O2(g) → 2NO2(g) ∆H = +66.4 kJ
B) 2C(s) + H2(g) +227.4 → C2H2(g)
C) 4Al(s) + 3O2(g) → 2Al2O3(s) + 3351 kJ
D) N2(g) + O2(g) → 2NO(g) ∆H = +182.6
Answers
Answer:
exo means energy is released when delta h is + it is endo and when energy is on the reactants side that is energy introduced so endo as well so when energy shows up on the product side that is the exo one
so it is C as that E is listed as a product therefore released
Explanation:
Which example would result in new cells that are most different from the parent cells?
a. yeast cells splitting into new cells
b. bacteria cells dividing into new cells
c. sperm and egg cells uniting to produce fertilized egg cells
d. skin cells dividing to produce more skin cells
Answers
Answer:
a
Explanation:
its a lol
Number 2 plssssssssssssssssssssssssssssssss
Answers
Answer:
Its located on North America
Which element is located in period 4?
Silicon (SI)
Iron (Fe)
Beryllium (Be) Zirconium (Zr)
Answers
Answer:
i beleive iron
Explanation:
Miscible liquids that have different boiling points can be separated by _______.
A.filtration
B.distillation
C.chromotagraphy
D.evaporation
Please help it's due soon