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bekas [8.4K]
2 years ago
12

List the characteristics of life that plants and animals in a food web share

Chemistry
2 answers:
Stolb23 [73]2 years ago
8 0

Answer:They are movement, nutrition, respiration, sensitivity, reproduction, excretion,and growth.

Explanation:

melamori03 [73]2 years ago
4 0
Answer:
Movement, nutrition, respiration, sensitivity, reproduction, excretion, and growth.

Explanation:
I don’t have an explanation for it, sorry.
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What is the electron configuration of beryllium?
Vlad1618 [11]
Here is your answer:

The amount of electrons that the element Beryllium has is: 4

Reason:

Beryllium atomic number is 4

Therefore the amount of protons and electrons Beryllium has is 4

Your answer is 5.

Hope this helps.
8 0
3 years ago
1. Coal gasification consists of the chemical transformation of solid coal into gas. The heating values of coal differ, but the
creativ13 [48]

Complete question:

Coal gasification consists of the chemical transformation of solid coal into gas. The heating values of coal differ, but the higher the heating value, the higher the value of the gas produced (which is essentially methane, carbon monoxide, hydrogen, etc.). The following coal has a reported heating value of 29,770 KJ/Kg as received. Assuming that this is the gross heating value, calculate the net heating value.. Component__________Percent  C___________________71

H2__________________5.6

N2__________________1.6

S____________________2.7

Ash__________________6.1

O2___________________13

Answer:

LHV = 28478.8 KJ/kg

Explanation:

The gross heating value is also the higher heating value (HHV), while the net heating value is the lower heating value (LHV).

This involves the conversion from higher heating value (HHV) to lower heating value(LHV).

Let's use the formula:

LHV = HHV - 0.212H - 0.0245M - 0.008A

We are given

HHV = 29,770 KJ/kg = 29.770MJ/kg

H = hydrogen% =5.6%

A = oxygen% = 13%

M = 0

Substituting the figures in the formula, we have:

LHV = 29.770 - 0.212*5.6 - 0.0245*0 - 0.008*13

= 29.770 - 1.1872 - 0 - 0.104

= 28.4788 MJ/kg

= 28478.8 KJ/kg

LHV = 28478.8 KJ/kg

The net heating value, LHV = 28478.8 KJ/kg

3 0
3 years ago
Is flammability an example of physical property
kipiarov [429]
It's a chemical property
5 0
3 years ago
Read 2 more answers
An unknown substance is heated from 10 °C to 25 °C. The table below shows the state of the substance at different temperatures.
bezimeni [28]

Answer:

Its melting point is 17 °C.

Explanation:

  • The melting point of a substance is the temperature at which it changes state from solid to liquid. At the melting point the solid and liquid phase exist in equilibrium.

<em>So, the melting point is 17 °C.</em>

And this is shown in the figure attached.

7 0
3 years ago
Read 2 more answers
A solution is made by dissolving 0.611 mol of NaCl in 250 g of water. If the molar mass of NaCl is 58.44 g/mol, what is the mola
shusha [124]
Molality= moles NaCl/ Kg H2O

250 g (1 Kg/ 1000 grams)= 0.250 Kg

Molality= 0.611 moles/ 0.250 Kg= 2.44 molal
6 0
3 years ago
Read 2 more answers
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