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2 years ago

Which part of a root transport water and nutrients

Chemistry

2 answers:

sergeinik [125]2 years ago

8 0

Soil transports water and nutrients

Aleks [24]2 years ago

6 0

xylem of the roots transfers water and nutrients from soil to the different parts of plant.

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Increased _____generally increases the reaction rate.

sweet-ann [11.9K]

Answer:

temperature

Explanation:

6 0

3 years ago

Using the potential given below, calculate the activity of cl^- in 1M KCl solution.

MissTica

Answer:

Explanation:

E° (calomel electrode) = 0.268 v

E( calomel electrode, 1M KCl) = 0.280 v

For calomel electrode

$E = E^0 _( Hg^+/Hg ) - \frac{.059}{2} \times log( a_{cl^-} )^2$

$.280 = .268 - \frac{.059}{2} \times log( a_{cl^-} )^2$

$.012= - \frac{.059}{2} \times log( a_{cl^-} )^2$

$log( a_{cl^-})^2= - .4067$

$a_{cl^-_}$ = 0.626 .

3 0

3 years ago

The pressure exerted on a sample of gas is 735 mm Hg with a volume of 375 mL and a temperature of 25 degrees Celsius. What would

Darina [25.2K]

Answer:

= 498.13 mmHg

Explanation:

Using the combined gas law;

P1V1/T1 =P2V2/T2

in this case; P1 = 725 mmHg, V1 = 375 mL and T1 = 25°C + 273 = 298 K

P2 = ? V2 = 500 mL and T2 (standard temperature) = 0°C + 273 = 273 K

P2 = P1V1T2/T1V2

= (725 × 375 × 273)/(298 × 500)

= 498.13 mmHg 

7 0

2 years ago

How many moles are present in 100. g of aspirin (C2H804, molar mass 180.2 g/mol)? 0.555 mol of aspirin 1.80 mol of aspirin 18.0

Lorico [155]

Answer:

0.555 mol of aspirin

Explanation:

Given,

Mass of aspirin = 100 g

Molar mass of aspirin = 180.2 g/mol

To find, moles of aspirin in 100 g of mass = ?

The formula for the calculation of moles is shown below:

$moles = \frac{Mass\ taken}{Molar\ mass}$

Thus,

$Moles= \frac{100\ g}{180.2\ g/mol}$

Moles of aspirin in 100 g = 0.555 moles

6 0

2 years ago

BRAINLIESTT ASAP! PLEASE HELP :)

nexus9112 [7]

Explanation:

First two pictures go together

From top to bottom, ionisation energy decreases [electron shielding], while from left to right, ionisation energy increases [valence shell stability]. Noble gases always always possess such high energy of ionisation because they are stable, with Helium having the highest ionisation of all elements.

From top to bottom, electron affinity decreases [decrease in atomic radius], while from left to right, electron affinity increases [increase in atomic radius].

There are many more trends, but I have ran out of space, so I will put this in the comments.

I am joyous to assist you anytime.

6 0

3 years ago