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2 years ago

The basic structural material of the body consists of ________. proteins lipids carbohydrates nucleic acids.

Chemistry

1 answer:

Bad White [126]2 years ago

6 0

Proteins make up the bulk of the body's structural components.

<h3>How do proteins work?</h3>

The body uses the large, complex molecules known as proteins for a number of essential processes.. They are crucial for the structure, operation, and control of the body's tissues and the majority of their work is done inside cells by organs.

<h3>Which protein food is the best?</h3>

Meat, fish, poultry, eggs, legumes, and soy products like tofu or tempeh are a few examples of foods high in protein. You can also select meals from this list of delicious high-protein dishes to make sure you meet your needs at every meal.

<h3>What indications or symptoms suggest an excess of protein?</h3>

Having too much protein might cause indigestion and intestinal pain.

Unbearable fatigue, dehydration, nausea, irritability, headaches, and diarrhoea.

To know more about Proteins visit:

brainly.com/question/17095120

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Why is it that when you have a strong acid and weak base your equivalence point is less than 7

yKpoI14uk [10]

Explanation:

When a strong acid, say $HCl$ reacts which a weak base, say $NH_3$ , the reaction is shown below as:-

$\text{NH}_3 (\text{aq}) + \text{HCl} (\text{aq}) \rightarrow {\text{NH}_4^+}(\text{aq}) + \text{Cl}^-(\text{aq})$

The salt further reacts with water as shown below:-

$\text{NH}_4^+ + \text{H}_2\text{O} \rightarrow \text{H}_3\text{O}^+ + \text{NH}_3$

Formation of $\text{H}_3\text{O}^+$ lowers the pH value of the solution as more hydrogen ions leads to less pH.

3 0

3 years ago

Can someone please help me ?

DochEvi [55]

Answer:

The acceleration of ball is 18 m/s².

Explanation:

Definition:

The acceleration is rate of change of velocity of an object with respect to time.

Formula:

a = Δv/Δt

a = acceleration

Δv = change in velocity

Δt = change in time

Units:

The unit of acceleration is m.s⁻².

Acceleration can also be determine through following formula,

F = m × a

a = F/m

Given data:

Mass of ball = 0.60 kg

Force on it = 10.8 N

Acceleration = ?

Solution:

a = 10.8 N/0.60 kg

a = 18 N/kg

N = kg.m/s²

a = 18 kg.m/s² / kg

a = 18 m/s²

8 0

4 years ago

A weather balloon is inflated to a volume of 2.2 x 10^3 L with 37.4 g of helium. What is the density of helium in grams per lite

Ede4ka [16]

Density = mass/volume
substituting the given values :
We get :
D = 37.4 / 2.2 x 10^3
D = 0.017 grams/liter

8 0

3 years ago

List the physical and chemical properties of acids and bases below?

GarryVolchara [31]

Answer:

Explanation:

Physical and chemical properties of acids:

Acids are sour in taste.

All acids have pH less than 7.

All acids turns blue litmus paper red.

Acids react with metals and form salts.

HCl + Mg → MgCl₂ + H₂

Acids react with base and form salt and water.

HCl + NaOH → NaCl + H₂O

Acids react with carbonates and form carbon dioxide, water and salt.

2HCl + CaCO₃ → CaCl₂ + H₂O + CO₂

Physical properties of bases:

All bases are bitter in taste.

They turn litmus paper from red to blue.

They are slippery.

All bases have pH above 7.

Bases react with acid and form water and salt.

NaOH + HCl → NaCl + H₂O

Bases conduct electricity.

Bases such alkali when react with water produces OH⁻.

7 0

3 years ago

3 C2H2(g) → C6H6(g) What is the standard enthalphy change ΔHo, for the reaction represented above? (ΔHof of C2H2(g) is 230 kJ mo

masha68 [24]

Answer: The standard enthalpy change is -607kJ

Explanation:

The given balanced chemical reaction is,

$3C_2H_2(g)\rightarrow C_6H_6(g)$

First we have to calculate the enthalpy of reaction $(\Delta H^o)$ .

$\Delta H^o=H_f_{product}-H_f_{reactant}$

$\Delta H^o=[n_{C_6H_6}\times \Delta H_f^0_{(C_6H_6)}]-[n_{C_2H_2\times \Delta H_f^0_{(C_2H_2)}]$

where,

We are given:

$\Delta H^o_f_{(C_2H_2)}=230kJ/mol\\\Delta H^o_f_{(C_6H_6)}=83kJ/mol$

Putting values in above equation, we get:

$\Delta H^o_{rxn}=[(1\times 83)]-[(3\times 230)]=-607kJ$

The standard enthalpy change is -607kJ

7 0

4 years ago