(d) (i) How can the water molecules from the iceberg end up as water in the lake?

Answers

Answer 1

Explanation:

If the iceberg is near the lake and the water molecules melt, then the molecules will slide down. The iceberg could be melting for many reasons - it can be purposely destroyed, the sun could be melting it, or it might naturally fall in. So, this is the answer to your question. Hope it helps!


Related Questions

El hipoclorito de sodio (NaClO), es vendido en una solución clara de ligero color verde-amarillento y un olor característico que se conoce con el nombre genérico Límpido, con una concentración del 6%. Pero para la desinfección de superficies el Límpido, debe ser diluido al 0,5%. Cuánto Límpido debemos sacar del recipiente para obtener 200 ml de una solución al 0,5%.

Answers

Respuesta:

16,7 mL

Explicación:

Paso 1: Información provista

Concentración inicial (C₁): 6%Volumen inicial (V₁): ?Concentración final (C₂): 0,5%Volumen final (V₂): 200 mL

Paso 2: Calcular el volumen de la solución concentrada

Queremos preparar una solución diluida de hipoclorito de sodio a partir de una concentrada. Podemos calcular el volumen inicial que debemos tomar usando la regla de dilución.

C₁ × V₁ = C₂ × V₂

V₁ = C₂ × V₂ / C₁

V₁ = 0,5% × 200 mL / 6% = 16,7 mL

If the temperature of a reversible reaction in dynamic equilibrium decreases, how will the equilibrium change?

A. It will shift towards the endothermic reaction.
B. It will not change.
C. It will shift towards the products.
D. It will shift towards the exothermic reaction.

Answers

Answer:

D. It will shift towards the exothermic reaction.

Explanation:

I need help!!!! please

Answers

6.94 is much more closet to 7.016, so Li 7 is more abundant

A piece of sodium metal can be described as?

Answers

it can be described as a pure metal

When 120 g of carbon reacts completely with 320 g of oxygen the mass of carbon dioxide formed will be?

Answers

440 cause mass cant be created or destroyed

that B) My color is sickle: I have a drop of water in my body when I was given heat, white powder was formed So who am i Lets identify. Write my chemical molecular formula​

Answers

Explanation:

i don't understood your question ⁉️

and what do u mean by my color is sickle

6.25 g of HCl(g), a strong acid, is dissolved in water to make a 280-ml solution.
Calculate the pH of the resulting solution.

Answers

pH= -log[0,611]= 0,21

The number of grams of helium in a balloon at a pressure of 99.8 kPa, a temperature of 301 K, and a volume of 0.785 L would be

Options:

814 g

0.125 g

0.278 g

337 g

Answers

use formula
pV=nRT
in formula n=m/M
you have to find m



P=99.8/101.325
v=0.785
R=0.0821
T=301

The number of grams of helium in a balloon at a pressure of 99.8 kPa, a temperature of 301 K, and a volume of 0.785 L would be 0.125g.

How to calculate mass?

The mass of a substance can be calculated by multiplying the number of moles by its molar mass.

However, the number of moles of helium must be calculated as follows:

PV = nRT

Where;

P = pressureV = volumen = no of molesR = gas law constantT = temperature

0.985 × 0.785 = n × 0.0821 × 301

0.773 = 24.7n

n = 0.773 ÷ 24.7 = 0.031moles

mass of He = 0.031 × 4 = 0.125g

Therefore, the number of grams of helium in a balloon at a pressure of 99.8 kPa, a temperature of 301 K, and a volume of 0.785 L would be 0.125g.

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full form of soil pH​

Answers

Answer:

PH STANDS FOR POTENTIAL OF HYDROGEN .

It represents the ratio of Hydronium ions (H3O) to Hydroxide ions (OH). It is a measure of acidity and alkalinity of a solution.

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9. During an experiment the students prepared three mixtures A)Starch in water B) Sodium chloride solution C) Tincture of Iodine. i) Students observed a visible beam of light through mixture A. Why? ii) Tincture of lodTe did not show Tyndall effect. Explain reason. ill) How can you relate particle size to Tyndall effect?​

Answers

Answer:

See explanation

Explanation:

Tyndall effect refers to the scattering of light in a solution. Tyndall effect occurs when the size of particles in the solution exceeds 1 nm in diameter. Such solutions are actually called false solutions.

In tincture of iodine, the size of particles in solution is less than 1 nm in diameter hence the solution does not exhibit Tyndall effect. Hence, tincture of iodine is a true solution.

Therefore, if the size of particles in solution exceeded 1nm in diameter, Tyndall effect is observed.

Liquids which do not wer the glass surface form a convex meniscus.True or false​

Answers

Answer:

true is your answer

Explanation:

hope it helps

what is meant by the term "boiling point of water"

Answers

Answer:

boiling point, temperature at which the pressure exerted by the surroundings upon a liquid is equaled by the pressure exerted by the vapour of the liquid; under this condition, addition of heat results in the transformation of the liquid into its vapour without raising the temperature

in case of water boiling point bring 0 degree

Answer:

it is the temperature at which water starts to boil. the temperate is 100°C or 212°F

A chemist sets up a chemical reaction but finds that none of the reactant molecules have the required activation energy. What is the result?

A.
Products will form with less energy input.
B.
No products will be formed.
C.
The products will form too quickly.
D.
Products will convert to reactants.

Answers

Answer:

B.

No products will be formed.

At the beginning of the reaction: N2 + 3H2 -> 2NH there is 1 mol of N. and 3 moles of H, and at the end of it is present a mixture formed by 2.5 moles in total, what is the performance for the reaction?
5.- Al comenzar la reacción: N2+ 3H2 -> 2NH existe 1 mol de N. y 3 moles de H, y al finalizarla está presente una mezcla formada por 2,5 moles en total, ¿cuál es el rendimiento para la reacción? ​

Answers

Answer:

75%

Explanation:

call realistic moles of N2 in the reaction is a

moles of H2 :3a

moles of NH3: 2a

the moles of residual N2 after reaction: 1-a

the moles of residual H2 after react: 3- 3a

the moles of mixture: 2a+1-a+3-3a=2.5

-> a=0.75

H=0.75/1=75%

two easy uses of mixture​

Answers

Explanation:

it helps to make juices.

It helps to make concentrated acid into dilute acid.

Answer:

Explanation:

Here are a few more examples:

1. Smoke and fog (Smog)

2. Dirt and water (Mud)

in h-atom if x is radius of first bohrs orbit de broglie wavelength of an atom in 3rd orbit is a.3πx b.6πx c.9x/2 d.x/2
please I need complete explanation fast ​

Answers

Answer:

can you type question properly.

5+64
this is TOTALLY SOOOO hard so help me
^thats what she said

Answers

Answer:

69

Explanation:

I thought that I answer is correct

Answer:

The answer is 69

Explanation:

Because if you add one its 66, and so on, hope this helps! but if you add five it will be 69, if you need help with easy equations let me know

Which of the following is NOT a physical property?
Viscosity
Reactivity
Malleability
Density

Answers

Answer:

reactivity is NOT a physical property

A compound was found to contain 90.6% lead (Pb) and 9.4% oxygen. What is the empirical formula for this compound?

Answers

Answer:

the answer is 47.9 and ik because I just had that question

The empirical formula of the compound is O₄Pb₃.

What is the empirical formula?

An Empirical system is the chemical system of a compound that offers the proportions of the elements gifted within the compound however not the real numbers or arrangement of atoms. This would be the lowest complete variety ratio of the elements within the compound.

Amount of lead (Pb) = 90.6%

⇒and amount of oxygen = 9.4%

taking the whole number ratio

o = 4

Pb = 3

∴ ⇒O: Pb=4:3

O4Pb3 answer.

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1a.calculate the relative formula mass of magnesium oxide when the relative atomic masses are O=16 Mg=24
1b.calculate the percentage by mass of magnesium in magnesium oxide​

Answers

here's the answer to your question

The relative mass of the magnesium oxide (MgO) is equal to 40 g. The percentage by mass of magnesium in MgO is 60 %.

What is the mass percentage?

The mass percentage of any element in a particular compound can be calculated from the number of parts by mass of the element in 100 parts by mass of a given compound.

Calculate the molar mass of the given compound by adding the atomic masses of the present elements. Then, the percentage of each element can be determined by dividing the total mass of the element by the molar mass of the compound multiplied by 100.

Given, the molecular formula of magnesium oxide is MgO. The atomic mass of Mg and O is 24 g and 16 g respectively.

The relative formula mass of the MgO = 40 g/mol

The mass percentage of the Mg = (24/40) × 100 = 60 %

Therefore, the mass percentage of the Mg in MgO is equal to 60 %.

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The reactivity of elements can be predicted based on the position of an element in the periodic table. Based on the periodic table, which of the following elements would be expected to be the most reactive?

Iodine (I)
Iodine (I)

Chlorine (Cl)
Chlorine (Cl)

Fluorine (F)
Fluorine (F)

Bromine (Br)

Answers

Answer:

Chlorine (Cl) is most reactive out the the listed elements.

Answer:

iodine

Explanation:

It is the most reactive on the periodic table.

1. Mg + HCl  … + ….
2. NaOH + HNO3  … + ….
3. KOH + CuCl2  … + ….
4. Na2SO4 + BaCl2  … + ….
5. HCl + FeO à … + …

Answers

Explanation:

The answer is mentioned above.

Hope it helps.

What exactly is a proton? Is it a member of the periodic table?

Answers

The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon atom, no matter how many neutrons may be present).

water and development are substitute of one another.
explanation with it, please

Answers

Fawn spends hours each week managing employee shifts and schedules, time she should be spending on other restaurant operations. What can she do? O a) Start leaving more time in her week for scheduling-related tasks b) Write everything down in a weekly planner O c) Consider online inventory management software O d) Consider online scheduling software

A scientist wants to know: "If salt is added to water, would the
solution still boil at the same temperature?"
torcses

Answers

Answer:

no, the sollution will boil at a higher temperature because the density of the sollution will increase when salt is added to it

No the solution well boil at a higher temperature because the density of the solution will increase when salt is added to it

I forgot to add the answers i had to my question (While a balloon is being filled, if the temperature of the air in the balloon increases, what happens to it’s volume)
A) It stays the same
B) It deflates
C) It decreases
D) It increases

Answers

The correct answer is D ... and if the answer was added to the word "explode" .. it would have been more correct .

hii pls help me to balance the equation and state the symbols thanksss​

Answers

Ca(s)+ H2O (l)----->H2 +Ca(oH)2

Ca(s)+2H2O(l)----->H2(g)+Ca(oH)2

I hope this helps

sorry if it's wrong

A chemist determines by measurements that 0.0550 moles of nitrogen gas participate in a chemical reaction. Calculate the mass of nitrogen gas that participates.

Be sure your answer has the correct number of significant digits.

Answers

The mass of nitrogen gas that participated in the chemical reaction is 1.54g

HOW TO CALCULATE MASS OF AN ELEMENT:

Mass of a substance can be calculated by multiplying the number of moles in mol of the substance by its molecular mass in g/mol. That is;

mass (M) = molar mass (MM) × number of moles (n)

According to this question, a chemist determines by measurements that 0.0550 moles of nitrogen gas (N2) participate in a chemical reaction.

The molecular mass of nitrogen gas (N2) = 14.01(2)

= 28.02g/mol

Hence, the mass of the nitrogen gas that participated in the chemical reaction is calculated as follows:

Mass (g) = 0.0550 mol × 28.02 g/mol

Mass = 1.5411

Therefore, the mass of nitrogen gas that participated in the chemical reaction is 1.54g

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2(3a-3)-2(a-2)=3
thank you ​

Answers

Answer:

6a - 6 - 2a + 4 = 3

4a - 2 = 3

4a = 3 + 2

4a = 5

a = 5/4

hope that helps ✌

Calculate K for 2CO2(g) ⇔ 2CO(g) + O2(g)
given that the equilibrium concentrations of carbon monoxide, oxygen and carbon dioxide are 2.0 x 10-6 M, 1.0 x 10-6 M, and 0.25 M respectively.

Answers

Explanation:

here's the answer to your question

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