Select the CORRECT pairing. A. pasteurization: low temperatures, long periods of time B. filtration : pore sizes less than 0.45 micrometers C. desiccation : lowering the pH D. cooling: high temperatures, short period of time

Answers

Answer 1

Answer:

Answer:

filtration: pore sizes less than 0.45 micrometers

Explanation:

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There are moles of carbon in 6.64 moles of CCl2F2

Answers

Answer:

6.64 moles of carbon.

Explanation:

Given data:

Number of moles of C = ?

Number of moles of CCl₂F₂ = 6.64 mol

Solution:

In one mole ofCCl₂F₂ there is one mole of carbon two moles of chlorine and two moles of fluorine are present.

In 6.6 moles of CCl₂F₂ :

Moles of carbon = 6.64 × 1 = 6.64 moles of carbon.

Moles of chlorine = 6.64× 2 = 13.28 moles of chlorine

Moles of fluorine = 6.64× 2 = 13.28 moles of fluorine

Answer: 6.64 moles

Explanation:

Number of moles of C = ?

number of moles of CCl₂F₂ = 6.64 mol

In one mole of CCl₂F₂ there is one mole of carbon two moles of chlorine and two moles of fluorine are present.

In 6.6 moles of CCl₂F₂ :

Moles of carbon = 6.64 × 1 = 6.64 moles of carbon.

Moles of chlorine = 6.64× 2 = 13.28 moles of chlorine

Moles of fluorine = 6.64× 2 = 13.28 moles of fluorine

The molar mass of I2 is 253.80 g/mol, and the molar mass of NI3 is 394.71 g/mol. How many moles of I2 will form 3.58 g of NI3?

Answers

The balanced chemical reaction is:

N2 +3 I2 = 2NI3

We are given the amount of product formed. This will be the starting point of our calculations.

3.58 g NI3 ( 1 mol NI3 / 394.71 g NI3 ) ( 3 mol I2 / 2 mol NI3 ) = 0.014 mol I2.

Thus, 0.014 mol of I2 is needed to form the given amount of NI3.

Answer:

Answer is 0.0136.

Explanation:

What is inert pair effect

Answers

Answer:

The inert pair effect is the tendency of the two electrons in the outermost atomic s-orbital to remain unshared in compounds of post-transition metals. The term inert pair effect is often used in relation to the increasing stability of oxidation states that are two less than the group valency for the heavier elements of groups 13, 14, 15 and 16. .[1] The name suggests that the outermost s electrons are more tightly bound to the nucleus in these atoms, and therefore more difficult to ionize or share

The volume of a gas decreases from 15.7 m3 to 11.2 m3 while the pressure changes from 1.12 atm to 1.67 atm. If the initial temperature is 245 K, what is the final temperature of the gas

Answers

The final temperature of the gas is 260.01 K.

The final temperature can be calculated by using the equation as follows:-

$(P_(1)V_(1) )/(T_(1)) =(P_(2)V_(2) )/(T_(2))$ ........(1)

Here, $P_1$ and $P_2$ is the pressure of this gas before and after the changes.

$V_1$ and $V_2$ is volume of this gas before and after the changes.

$T_1$ and $T_2$ is the temperature (in degrees Kelvins) of this gas before and after the changes.

Given values:-

$P_1=1.12\ atm, P_2=1.67\ atm\n\nV_1=15.7\ m^(3) , V_2=11.2\ m^(3)\n\nT_1=245\ K.T_2=?$

Substitute all the values in the equation (1) as follows:-

$(1.12\ atm*15.7\ m^(3))/(245\ K ) =(1.67\ atm*11.2\ m^(3))/(T_2 )\nT_2=(1.67\ atm*11.2\ m^(3)*245\K)/(1.12\ atm*15.7\ m^(3) )\n=260.60\ K$

Hence, the final temperature of the gas is 260.60 K.

To know more about:-

brainly.com/question/23967621

Explanation:

The data is given as follows.

$P_(1)$ = 1.12 atm, $P_(2)$ = 1.67 atm

$V_(1) = 15.7 m^(3)$ , $V_(2) = 11.2 m^(3)$

$T_(1) = 245 K$ , $T_(2)$ = ?

Therefore, calculate the final temperature using the relation as follows.

$(P_(1)V_(1))/(T_(1))$ = $(P_(2)V_(2))/(T_(2))$

$(1.12 atm * 15.7 m^(3))/(245)$ = $(1.67 atm * 11.2 m^(3))/(T_(2))$

$T_(2) = (1.67 atm * 11.2 m^(3) * 245 K)/(1.12 atm * 15.7 m^(3))$

= $(4582.48 K)/(17.584)$

= 260.605 K

= 260.61 K (approx)

Thus, we can conclude that final temperature is 260.61 K.

PLEASE FASTER THIS IS DUE DATE, create an hypothesis for the increase in CO2 levels and the affect on crop plants

Answers

Answer:

The increase in CO2 will affect crop plants by causing in increase in global warming and therefore, will stunt plant growth and cause excessive heat to kill the plants.

Explanation:

Hope this helps! xoxo

The_____is an organelle that can give instructions for a
cell to reproduce and send directions to organelles to make needed
materials.

Answers

Answer:

nnmnm

Explanation:

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