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4 years ago

Why is a changing ocean temperature of only one or 2 degrees so concerning? Please help!!!! Need this before tomorrow!!!!!!

2 answers:

8 0

Well one of the reasons why a degrees change of only 2 degrees is concerning is because the sea expands when it gets higher in temperature, and a higher sea level means it could destroy habitats near the ocean or even a human's habitat.

lianna [129]4 years ago

3 0

Because even a little can drastically change sea life as well as continents and other islands temperatures.

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Ammonia gas has a molar mass of approximately 17 grams per mole. At 290K and 1.2 atm, a sample of ammonia has a volume of 3.7 L.

jeka94

Ammonia gas will have a mass of 3.17grams.

HOW TO CALCULATE MASS:

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

However, to calculate the number of moles present in the ammonia gas given in this question, we use the formula as follows:

PV = nRT

where;

P = pressure (atm)
V = volume (L)
n = number of moles (mol)
R = gas law constant
T = temperature

n = PV ÷ RT

n = (1.2 × 3.7) ÷ (0.0821 × 290)

n = 4.44 ÷ 23.81

n = 0.186mol

Mass = 0.186 × 17

Mass of ammonia gas = 3.17g

Therefore, the mass of ammonia gas is 3.17grams.

Learn more at: brainly.com/question/21085277?referrer=searchResults

6 0

3 years ago

How many grams of al2br6 can be produced from 1278.4 g of br2 and 107.9g of al?

UNO [17]

It’s how many times deez nuz go into that puh

6 0

3 years ago

A parachute on a racing dragster opens and changes the speed of the car from 85 m/s to 45 m/s in a period of 4.5 seconds. What i

LiRa [457]

Answer:

- 8.89 $m/s^{2}$

Explanation:

$\frac{(Vf-Vo)}{time}$ = $\frac{(45-85 m/s)}{4.5s}$ = - 8.89 $m/s^{2}$

7 0

3 years ago

Read 2 more answers

Suppose a chloride ion and a sodium ion are separated by a center-center distance of 5Å5Å. Is the interaction energy (the energy

Allisa [31]

Explanation:

The water is a polar solvent which means it strongly interact with the ionic species dissolved in it. The reason is due to the formation of Hydrogen bonding. Hence, the ionic species are known to be stabilized by solvation.

The H- bonding is the interaction of H-atom of solvent molecules with the electronegative atom of same molecule or, solute species. Ionic solutes dissolve by forming H- bonding.

But in case n- pentane which is a non polar and lack of H-atom attached to electronegative atom. Hence, there is no H- bonding.

Thus, the energy required to separate Na+ and Cl- ion would be huge in water compared to n-pentane.

8 0

4 years ago

3. Theoretically how many grams of magnesium is required to produce to 5.0 g of

FinnZ [79.3K]

Answer:

3grams

Explanation:

The reaction for the production of Magnesium dioxide will be

Mg + O2 → MgO

we have 5g of MgO (molar mass 40g)

no of moles of MgO = 5/40 = 0.125

Using unitary method we have

1 mole of Mg require 1 mole of MgO

0.125 Mole of MgO = 0.125mole of Mg

n = given mass /molar mass

0.125 = mass / molar mass

mass = 0.125* 24 = 3grams

8 0

3 years ago