Which of the following is a true statement? The narrow bay formed by the movement of glaciers are fjords. Coral reefs and sandbars form lagoons. Glaciers affect the size of lagoons. Glacier movements can produce distributaries.

Answer:

B

Explanation:

i think the filtering would make it possible to separate the liquids....

Answer:

My friend is guessing so she says it's letter C

Explanation:

Sorry if she is wrong.

Answer:

6.208 mol

Explanation:

Mass of Bromine Liquid = 496g

Number of moles = ?

Relationship between number of moles and mass is given as;

Number of moles = Mass / Molar mass

Molar mass of Bromine = 79.9g

Number of moles = 496 / 79.9 = 6.208 mol

Answer:

All ions must a overall charge

Explanation:

Answer:

i belive its B

Explanation:

Answer:

erosion.

Explanation:

Answer:

I believe it is the Ethiopian ibex

Explanation:

Answer:

I think it the Ethiopian ibex

Explanation:

im srry if it wrong.

hope this helps tho

Answer:

Percent yield = 94.5%

Explanation:

Given data:

Number of moles of hydrogen = 4.55 mol

Mass of ammonia recovered = 48.7 g

Percent yield of ammonia = ?

Solution:

Chemical equation:

N₂+ 3H₂    →       2NH₃

Now we will compare the moles of ammonia and hydrogen.

               H₂        :         NH₃

                3         :          2

                4.55   :         2/3×4.55 = 3.03 mol

Theoretical yield of ammonia:

Mass = number of moles × molar mass

Mass = 3.03 mol × 17 g/mol

Mass = 51.51 g

Percent yield:

Percent yield = ( actual yield / theoretical yield ) × 100

Percent yield = (48.7 g/ 51.51 g)  × 100

Percent yield = 0.945 × 100

Percent yield = 94.5%

Answer: The average kinetic energy is proportional to the absolute temperature of the gas. Gas particles are in random motion. Gas particles have no volume. And the collisions between gas particles are elastic.

Explanation: I heard this question before, I think. Hope this helps!

Answer:

Ok:

Explanation:

a) 2-fluoropropane

b) 2,3 dichlorobutane

c) pent-2-ene or 2 pentene (I assume the semicolon was a typo)

d) Same as c (I assume Z is a typo too)

e) non-1-ene or 1-nonene (I assume the B is a 2)

Answer:

Boat conformation cis 1,4-dimethyl cyclohexane has the highest energy.

Explanation:

From the conformations, the boat conformation cis 1,4-dimethyl cyclohexane is least stable due to the fact that two methyl groups are located in opposite direction to each other, this leads to the production of  a higher strain. Similarly, Chair conformations appear more stable than boat conformation. Hence, energy is inversely proportional to stability. As a result of the aforementioned, boat conformation cis 1,4-dimethyl cyclohexane has the highest energy.

Answer: Food webs are made of many food chains is the answer.

Explanation:

Food web consists many food chains.

Answer:yes

Explanation:

Answer:

1. nitrous oxide

2. copper sulfide

3. cl2o7

4. MgBr2

Explanation:

hope it helps

Answer:

Vertebrae

Explanation:

Vertebrae are the 33 individual bones that interlock with each other to form the spinal column. The vertebrae are numbered and divided into regions: cervical, thoracic, lumbar, sacrum, and coccyx (Fig. 2). Only the top 24 bones are moveable; the vertebrae of the sacrum and coccyx are fused.

I believe the answer is vertebrae. There are 24 bones stacked up on each other that make up your backbone.

Pounds of gold ore :  11,02311

Given

5 g of gold

0.1% gold by mass

Required

Pounds of gold ore

Solution

[tex]\tt \%mass~gold=\dfrac{mass~gold}{mass~ore}\times 100\%[/tex]

For percent mass = 0.1%, than mass of gold ore :

[tex]\tt 0.1\%=\dfrac{5~g}{mass~ore}\times 100\%\\\\mass~ore=\dfrac{5\times 100}{0.1}\\\\mass~ore=5000~g[/tex]

Conversion factor :

1 g = 0,00220462 pound, than for 5000 g = 11,02311 pounds

Answer:

Dissolves a chemical sample well at high temperatures.

Does not dissolve a chemical sample well at low temperatures.

Explanation:

Recrystallization is a purification technique that involves mixing of an impure solid compound with a hot solvent leading to a saturated solution. As this solution cools, the compound to be purified becomes less soluble in the solvent, and pure crystals appear from the solution as the solution cools.

A good recrystallization solvent should

Answer:

[tex]\rho _2=0.22g/L[/tex]

Explanation:

Hello!

In this case, since we are considering an gas, which can be considered as idea, we can write the ideal gas equation in order to write it in terms of density rather than moles and volume:

[tex]PV=nRT\\\\PV=\frac{m}{MM} RT\\\\P*MM=\frac{m}{V} RT\\\\P*MM=\rho RT[/tex]

Whereas MM is the molar mass of the gas. Now, since we can identify the initial and final states, we can cancel out R and MM since they remain the same:

[tex]\frac{P_1*MM}{P_2*MM} =\frac{\rho _1RT_1}{\rho _2RT_2} \\\\\frac{P_1}{P_2} =\frac{\rho _1T_1}{\rho _2T_2}[/tex]

It means we can compute the final density as shown below:

[tex]\rho _2=\frac{\rho _1T_1P_2}{P_1T_2}[/tex]

Now, we plug in to obtain:

[tex]\rho _2=\frac{0.53g/L*225K*68.3kPa}{345K*108.8kPa}\\\\\rho _2=0.22g/L[/tex]

Regards!

Answer:

Converting Grams to Moles of an Element and Vice Versa.

We can convert back and forth between grams of an element and moles.

The conversion factor for this is the molar mass of the substance. The molar mass is the ratio giving the number of grams for each one mole of the substance

molar mass is the factor

Grams can be converted to moles and vice versa so the conversion factor which is used for this is molar mass.

Mass of any substance will be converted into moles by using the below equation:

n = W/M, where

n = moles

W = given mass

M = molar mass

By using the above formula we can convert the mass of any object to moles and moles to mass.

Hence conversion factor which is used for this is molar mass(M).

To know more about mass & moles, visit the below link:

https://brainly.com/question/24639749

#SPJ2

Answer:

520 mg Al(OH)₃

Explanation:

The reaction that takes place is:

Now we calculate how many moles of each reagent were added, using their concentrations and volumes:

10 mmol of Al(NO₃)₂ would react completely with (10*3) 30 mmol of KOH, there are not as many KOH mmol, so KOH is the limiting reactant.

We calculate how many moles of Al(OH)₃ are produced, using the limiting reactant:

Finally we convert mmol of Al(OH)₃ to mg, using its molar mass:

Answer:

Molar mass of CaO

(40 + 16)g

= 56g

hope it helps you

Answer:

Explanation:

I HOPE IT HELPS :)

Answer:

Name

Sulfur

Atomic Mass

32.066 atomic mass units

Number of Protons

16

Number of Neutrons

16

Number of Electrons

16

Explanation:

Answer:

Explanation:

16 protons

16 electrons

16 neutrons

Answer:

i think its 10 miles per hour

Answer:

Fluorine

Explanation:

These particles stick in the atoms and make them radioactive.

Answer:

Because the compound has a formula of M2O, the number of valence electrons of M should be 1. Therefore, (1) Group 1 is the correct answer because elements in group 1 have 1 valence electron.

Explanation:

When Silicone is altered with Phosphorus, 4 of its electrons form covalent bonding and the 5th electron becomes delocalized and thus it increases electrical conduction

Answer:

blue blah blue blah

Explanation:

Answer:

water spreads the spicy taste around your mouth, while milk does not and it helps the hot taste go away.

Explanation:

Answer:

water makes ur mouth burn more but milk it helps bc of what's in it

Answer:

21. Al (Aluminium)

+3 (most common), -1, -2, +1, +2

22. Bi (Bismuth)

+3 (most common), -3, -2, -1, +1, +2, +4, +5

23. Ni (Nickel)

+2 (most common), -2, -1, 0,+1, +3, +4

24. Xe (Xenon)

0 (most common), +1, +2, +4, +6, +8

25. Pb (Lead)

+2 (most common), +4 (most common), -4, -2, -1, +1, +3

Explanation:

Now we proceed to present the answers for each element:

21. Al (Aluminium)

+3 (most common), -1, -2, +1, +2

22. Bi (Bismuth)

+3 (most common), -3, -2, -1, +1, +2, +4, +5

23. Ni (Nickel)

+2 (most common), -2, -1, 0,+1, +3, +4

24. Xe (Xenon)

0 (most common), +1, +2, +4, +6, +8

25. Pb (Lead)

+2 (most common), +4 (most common), -4, -2, -1, +1, +3

Answer:

Security

Explanation:

A wireless network consists of good connection with fast speed, convenience, and reliability. Security is a major problem with wireless connection as someone can get your information by joining the same connection as you.