Compared to a human, what is different about how animals gets molecules from food and air

Answer:

C

Explanation:

burning gasoline i think pls can i have brainliest if right!

Answer:French fries

Explanation:

10.5 kJ is required to convert the temperature of water.

What is Temperature?

Temperature is a unit used to describe hotness or coldness. It can be stated in terms of any number of arbitrary scales and shows the direction in which heat energy will naturally flow, i.e., from a hotter body to a colder body (one at a lower temperature). Temperature is not the same as the energy of a thermodynamic system; for instance, an iceberg has a significantly larger total heat energy than a match.

As opposed to extensive characteristics, like mass or volume, temperature is referred to as an intense property—one that is independent of the quantity of matter being considered—along with pressure, density, and other comparable properties.

q=m⋅c⋅ΔT, where

q - heat absorbed

m- the mass of the sample

c- the specific heat of the substance

ΔT - the change in temperature, defined as final temperature minus initial temperature

q=100.0g⋅4.18Jg∘C⋅(50.0−25.0)∘C

q= 10.5 kJ

10.5 kJ is required to convert the temperature of water.

Learn more about Temperature from given link

https://brainly.com/question/25677592

#SPJ4

Answer:

pH is the way of measuring acidity/alkalinity on a scale.

the scale goes 0-14. 7 is neutral. the lower the pH, the more acidic (acid) and the higher, the more basic (base). For example, baking soda is a base while coke-cola is an acid. water is neutral

Answer:

Cl2 acts as an oxidizing agent

Explanation:

The balanced equation is

Cl2+NaOH⟶NaCl+NaClO3+H2O

Cl2 acts as a reactant in this chemical reaction

Cl2 receives one electron and thus reduces itself from Cl2 to 2 Cl−. This indicates that 2Cl- will oxidize some other element and hence Cl2 act as an   oxidizing agent.

"Normal red blood cells are rounded and disk-shaped. In sickle cell anemia, some red blood cells become deformed, so they look like sickles used to cut wheat. These unusually shaped cells give the disease its name. Sickle cell anemia is one of a group of disorders known as sickle cell disease."

Explanation:

Metallic bond, force that holds atoms together in a metallic substance

Answer:

The Chesapeake Bay watershed continues to develop as population in the region grows. Development and urbanization at the cost of natural landscapes can lead to increased pollution of nutrients and sediment to the Bay, especially from stormwater runoff.

Explanation:

Answer:

option a = Atoms are always in motion.

Explanation:

John Dalton gives atomic theory in 1808. The main postulates are following,

1 = All mater is composed of indivisible  particle called atom.

2 =The atoms of same element are identical, but differ from another element.

3 = The atoms of different elements are combine in fixed proportion and form compound.

4 = Atom can not be created nor destroyed.

5 = Atom is smallest part of an element that take part in chemical reaction.

From above Dalton theory postulates it can be seen that all options are correct except option A.

109.5

when we see it in 3d dimension...the repulsion force of the bonding pairs maximaze the distance from each other, thus making the angle 109.5

Answer:

437 g

Explanation:

as mass = density × volume

This reaction, H2O(l) => H+(aq) + 2OH-(aq), best exemplifies the autoionization or self-ionization of water. The process by which an atom or molecule receives or loses an ion is known as ionization.

A positive or negative charge that results from chemistry. An atom or molecule that has an electrical charge is called an ionization. An anion is the name given to an ion that has a negative charge, and a cation is the name given to an ion that has a positive charge. An ion or group of ions with a positive charge and the innate propensity to travel toward the negative electrode during electrolysis are called cations. Metals are dissolved into their corresponding ions during a corrosion reaction.

Learn more about ionization here

https://brainly.com/question/28385102

#SPJ4

The molarity of the sodium ion is 0.31 M while the molarity of the sulfate ion is 0.62 M.

First of all, we would have to establish that the molarity would be the same as the concentration of the substance. We know that we can be able to obtain the concentration from the number of moles and the volume of the solution thus we would need to use the mass the substance that we have to be able to obtain the number of moles of the solution that we have.

Mass of the sodium sulfate = mass/molar mass

18 g/142 g/mol

= 0.13 moles

Now we know that;

Molarity of the substance = 0.13 moles/0.21 L

= 0.62 M

Number of moles of the sodium ions = 0.62 M/2 = 0.31 M

Number of moles of the sulfate ions =  0.62 M

These are the ions in the solution.

Learn more about molarity:https://brainly.com/question/8732513

#SPJ1

Answer:

The products in the equation are water (H2O) and Sodium Chloride (NaCl).

Explanation:

In an endothermic reaction, the energy of the products is greater than the energy of the reactants. The reactants acquire sufficient kinetic energy to proceed the reaction by absorbing heat. Hence, their potential energy is less.

An endothermic reaction is the one in which heat energy is absorbed by the reactants from the surroundings. In endothermic reactions, the enthalpy change is positive.

The minimum energy that the reactants have to acquire for effective collision and reaction is called the activation energy. By absorbing heat energy reactants becomes  more energetic and overcome this activation potential. Hence, reactants have less potential energy than products.

Therefore, in an endothermic reaction, the activation potential of products will be higher than that of the reactants . Hence, option c is correct.

Find more on endothermic reaction:

brainly.com/question/23184814

#SPJ1

The statement "1/2 of an oxygen atom can combine with 2/3 of a hydrogen atom" is false because Atoms are the basic building blocks of matter and cannot be divided into smaller parts without breaking down the atom's structure.

An oxygen atom is composed of 8 protons, 8 neutrons, and 8 electrons, and it is not possible to divide an oxygen atom into halves. Similarly, a hydrogen atom consists of 1 proton, 1 electron, and 0 or 1 neutron, and it cannot be divided into thirds.

When atoms combine to form molecules, they do so in specific ratios determined by their chemical properties.

In the case of oxygen and hydrogen, the most common combination is two hydrogen atoms and one oxygen atom, which combine to form a water molecule (\(H_2O\)). This is because the outer electron shells of the oxygen atom and the hydrogen atoms can interact in a way that stabilizes the resulting molecule.

Therefore the given statement is false

For more such questions on Atoms, click on:

https://brainly.com/question/6258301

#SPJ11

The correct statement about the buddy system for allocating memory is:

C. With the buddy system, memory segments can be either divided or coalesced to satisfy an allocation request.

The buddy system is a memory allocation technique used in operating systems. It divides memory into fixed-size blocks or segments, typically in powers of two. When a memory allocation request is made, the system looks for a free block of suitable size. If the block is larger than required, it can be divided or split into smaller blocks to satisfy the request. Conversely, if adjacent blocks are free, they can be coalesced or merged to form a larger block for allocation.

A. The buddy system is not specifically designed for quickly allocating pages on demand for user-space applications. It is a general memory allocation strategy used in various contexts.

B. The buddy system may still result in internal fragmentation. Internal fragmentation occurs when allocated memory blocks are slightly larger than the requested size, leaving unused space within the block.

D. The buddy system does not guarantee physically contiguous memory allocation. It can allocate memory from different available blocks, which may or may not be physically contiguous.

Therefore, the only true statement is C. With the buddy system, memory segments can be either divided or coalesced to satisfy an allocation request.

To know more about system visit:  

https://brainly.com/question/13453484

#SPJ11

Copper has the highest conductivity of any metal used in electronics. The statement is false.

Silver is the element that conducts electricity the best, followed by copper and gold.

The earth's most conductive metal is by far silver. Silver only has one valence electron, which explains this. This one electron can also go about freely and encounter little opposition. As a result, some of the metals with this particular property are silver and copper.

Silver is the metal with the highest thermal and electrical conductivity because of its distinctive crystal structure and lone valence electron.

Since copper is the non-precious metal with the highest conductivity, it has a higher electrical current carrying capacity than other non-precious metals. The strength of the metal rises when tin, magnesium, chromium, iron, or zirconium are added to copper to create alloys, but its conductivity decreases.

To know about electrical conductivity

https://brainly.com/question/13322537

#SPJ4

Answer:

solid iodine chlorine gas

The correct order for ranking solid iodine, liquid bromine, and chlorine gas in order of increasing intermolecular force strength is;  chlorine gas < liquid bromine < solid iodine.

Intermolecular forces are forces that hold substances together in a particular state of matter. Intermolecular forces increase in the order; gases < liquids < solids. Solids have the highest magnitude of intermolecular interaction between particles.

Bearing this in mind, the correct order for ranking solid iodine, liquid bromine, and chlorine gas in order of increasing intermolecular force strength is;  chlorine gas < liquid bromine < solid iodine.

Learn more: https://brainly.com/question/9328418

Answer:

Aluminum Hydroxide, Magnesium Hydroxide are antacids used together to relieve heartburn, acid indigestion, and upset stomach. They may be used to treat these symptoms in patients with peptic ulcer, gastritis, esophagitis, hiatal hernia, or too much acid in the stomach (gastric hyperacidity).

Answer:

wow it's a very nice question

The EPA standard for the amount of arsenic permitted in drinking water is 10 ug per liter.

Option C is correct.

Arsenic is a dangerous substance that can be found in groundwater that has been contaminated by natural mineral deposits or human activities.Arsenic is a heavy metal that occurs naturally in rocks, soil, and minerals such as copper and lead. Arsenic is usually present in tiny quantities in groundwater and surface water.

It's an odorless and tasteless compound that's toxic in high quantities. Inorganic arsenic compounds are more poisonous than organic arsenic compounds, which are found in plants and animals. Chronic exposure to arsenic has been linked to skin, bladder, and lung cancer, as well as other diseases, according to the World Health Organization (WHO). The EPA standard for arsenic in drinking water is 10 ug per liter.

Learn more about EPA standards:

brainly.com/question/22332746

#SPJ11

Answer:15.9994 g/mol

Explanation:

Carnot's work attracted little attention during his lifetime, but it was later used by Rudolf Clausius and Lord Kelvin to formalize the second law of thermodynamics and define the concept of entropy.

Sadi Carnot was a French physicist who is known for his studies on the efficiency of heat engines. In 1824, he published a book called "Reflections on the Motive Power of Fire," in which he laid out the principles of thermodynamics and introduced the concept of entropy. His work was crucial in the development of the steam engine, as it helped engineers to understand how to make engines more efficient. Carnot's studies on steam engine efficiency laid the groundwork for the development of the concept of entropy, which is a measure of the disorder or randomness of a system. (C)

To know more about ENTROPY click on below link:

https://brainly.com/question/419265

#SPJ4

Answer:

Period, 4, Boiling point, 2913°C, 5275°F, 3186 K ; Block, d, Density (g cm−3), 8.90 ; Atomic number, 28, Relative atomic mass, 58.693.

Element Uranium (U), Group 20, Atomic Number 92, f-block, Mass 238.029. Sources, facts, uses ... Group, Actinides, Melting point, 1135°C, 2075°F, 1408 K.

krypton ; atomic weight, 83.798 ; melting point, −157.4 °C (−251.3 °F) ; boiling point, −153.4 °C (−244.1 °F) ; density (1 atm, 0 °C [32 °F]), 3.733 g/litre

Given the balanced equation: S2O8²⁻(aq) + 3I⁻(aq) → 2SO4²⁻(g) + I3⁻(aq), the rate of formation of SO4²⁻ is 0.884 M/s.

To solve this problem, we will use the concept of reaction stoichiometry, which relates the rates of change in the concentration of reactants and products to the balanced chemical equation.

Step 1: Identify the stoichiometric coefficients
In the balanced equation, the stoichiometric coefficients are the numbers in front of the chemical species. For this reaction, we have:
- 1 mole of S2O8²⁻(aq)
- 3 moles of I⁻(aq)
- 2 moles of SO4²⁻(g)
- 1 mole of I3⁻(aq)

Step 2: Determine the rate relationship
The rate relationship between S2O8²⁻ and SO4²⁻ can be found by comparing their stoichiometric coefficients. For every 1 mole of S2O8²⁻ that reacts, 2 moles of SO4²⁻ are produced. So, the rate of formation of SO4²⁻ is twice the rate of loss of S2O8²⁻.

Step 3: Calculate the rate of formation of SO4²⁻
Given the rate of loss of S2O8²⁻ as 0.442 M/s, we can now find the rate of formation of SO4²⁻ using the rate relationship:

Rate of formation of SO4²⁻ = 2 * Rate of loss of S2O8²⁻

Substituting the given value,

Rate of formation of SO4²⁻ = 2 * 0.442 M/s

Rate of formation of SO4²⁻ = 0.884 M/s

So, the rate of formation of SO4²⁻ is 0.884 M/s.

To know more about balanced equation refer here: https://brainly.com/question/12192253#

#SPJ11

Sublimation is an effective technique for the isolation of pure caffeine because it allows for the separation of the caffeine from other substances that may be present in a mixture based on differences in their vapor pressures.

Caffeine is a volatile substance, meaning that it has a relatively high vapor pressure at room temperature. This means that under the right conditions (such as reduced pressure and elevated temperature), caffeine can be made to vaporize without melting or decomposing. In sublimation, a solid mixture containing caffeine is heated in a sublimation apparatus under reduced pressure. The reduced pressure allows the caffeine to vaporize without melting, while leaving behind any impurities or other solid components that have higher melting points or lower vapor pressures than caffeine. The vaporized caffeine then condenses on a cooler surface, where it solidifies as a pure substance. By using sublimation to isolate pure caffeine, it is possible to obtain a substance that is free from impurities and other components that may have been present in the original mixture. This is because sublimation is a highly selective process that only allows substances with the appropriate vapor pressures to be vaporized and collected.

To learn more about Sublimation here:

https://brainly.com/question/29304516

#SPJ4

Answer:

exothermic reaction

Explanation:

your welcome :)

Answer:

An orbit is the simple planar representation of an electron. An orbital refers to the dimensional motion of an electron around the nucleus in a three-dimensional motion. An orbital can simply be defined as space or the region where the electron is likely to be found the most.

Explanation:

Answer:

An orbital on the other hand is simply the probable area where one can expect to find the maximum density of electron presence within an atom. An orbit on the other hand is simply present in a body with a certain mass, while an orbital exists for an electron as well as an atom.

Thus, these are the simple differences between Orbit and Orbitals. It is important to know the major differences, you can check out the differences between Orbit and Orbitals below:

Differences between Orbit and Orbitals

Orbit Orbitals

An orbit is the simple planar representation of an electron. An orbital refers to the dimensional motion of an electron around the nucleus in a three-dimensional motion.

It can be simply defined as the path that gets established in a circular motion by revolving the electron around the nucleus An orbital can simply be defined as the space or the region where the electron is likely to be found the most.

The shape of molecules cannot be explained by an orbit as they are non-directional by nature. The shapes of the molecules can be found out as they are directional by nature.

An orbit that is well-defined goes against the Heisenberg principle. An ideal orbital agrees with the theory of Heisenberg’s Principles.

Thus, these are the major differences between Orbit and Orbitals.

Since potassium bromide is replaced by element X to generate KX and Br2, we can infer from the reaction that element X is more reactive than bromine.

As a result, potassium bromide is represented by the formula KBr, but when the potassium and bromide ions are written separately, they are K+ and Br.

As a result, when chlorofluorocarbon gas is passed through a potassium bromide aqueous solution, bromine gas is released, which causes the solution to turn brown.

To know more about reaction visit:-

https://brainly.com/question/28984750

#SPJ1

True because The only time I can use the "take the sum and divide by the number of integers" method is when I have equal proportions of each isotope is true.

The collection of whole numbers and negative numbers is known as an integer in mathematics. Integers, like whole numbers, do not include the fractional portion. Integers can therefore be defined as numbers that can be positive, negative, or zero but not as fractions. On integers, we can carry out all arithmetic operations, including addition, subtraction, multiplication, and division. Integer examples include 1, 2, 5, 8, -9, -12, etc. "Z" stands for an integer. Let's talk about how numbers are defined, their symbol, their kinds, their operations, their rules, and their associated attributes.

Learn more about integers here:https://brainly.com/question/7589093

#SPJ1