What is a contributor of global warming

Answers

Answer 1

Answer: Pollution, greenhouse gases, climate change

Related Questions

Sheela wants to make a computer model of a land ecosystem. Part of her model simulates the chemical processes of photosynthesis that involve the creation of sugars. Which of these chemical processes are these?A. the light-dependent reactions B. the light-independent reactions C. the dark reactions D. the reactions in the mitochondria
Allicin contains 59.9 g of carbon, 21.7 g of hydrogen, 24.4 g of oxygen, and sulfur. What is the mass percent of sulfur in a 162 g sample of the compound?"
Which barium salt is insoluble in water?A) BaCO3. B) BaCl2 C) Ba(ClO4)2. D) Ba(NO3)2
Hanna hypothesizes that granite is denser than sandstone. How can Hanna test her hypothesis?
Which notation represents an atom of sodium with an atomic number of 11 and a mass number of 24?

A logical, systematic approach to the solution of a scientific problem1. Scientific Method
2. Scientific Law
3. Chemistry
4. Experiment

Answers

The answer is (1) Scientific Method. The Scientific Method is the method in which scientists do an experiment. It's a logical series of steps that ensures scientists don't miss anything and keep things organized.

Molecular compounds do not conduct electricity because they a. do not break up into ions. b. have high melting points. c. do not dissolve in water. d. break up into ions.

Answers

A. they don't break up and since there are two options that contradict each other its easy.

Molecular compounds can not conduct electricity because they do not break up into ions. Therefore, option (A) is correct.

What are molecular compounds?

Molecular compounds can be characterized as those compounds where the atoms are connected by covalent bonds. The covalent bond is generally created by the mutual sharing of electrons by the atoms. In molecular compounds, intermolecular forces are responsible for bond formation.

The melting point of the molecular compound is low as compared to the ionic compound as the energy required to break bonds is less compared to the ionic bond between ions in the crystalline ionic compound.

Molecular compounds are generally by the reaction between non-metals. Molecular compounds are also known as covalent compounds. The ionic and molecular compound differ from each in their physical properties,

The molecular compounds do not conduct electricity as they do not bark into ions. Therefore they can behave as insulators while ionic compounds conduct electricity.

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What do the formulas for table salt, NaCl, and water, H2O indicate about the compounds?

Answers

The formulas indicate the number of elements in each compound. Notice the difference in ratios:
NaCl is 1:1, while H2O is 2:1.

Which nuclear decay emission consists of energy, only?(1) alpha particle (3) gamma radiation
(2) beta particle (4) positron

Answers

Answer: (3) gamma radiation

Explanation:

An isotope can decay in 4 process:

1.) Alpha decay: In this process, alpha particles is emitted when a heavier nuclei decays into lighter nuclei. The alpha particle released has a charge of +2 units.

$_Z^A\textrm{X}\rightarrow _(Z-2)^(A-4)+_2^4\alpha$

2.)Beta-decay: In this process, a neutron gets converted into a proton and an electron releasing a beta-particle. The beta particle released carries a charge of -1 units.

$_Z^A\textrm{X}\rightarrow _(Z+1)^A\textrm{Y}+_(-1)^0\beta$

3.) Gamma ray emission: in this process, an unstable nuclei gives off excess energy by a spontaneous electromagnetic process and releases $\gamma -radiations$ . These radiations does not carry any charge and are electrically neutral.

$_Z^A\textrm{X}^*\rightarrow _Z^A\textrm{X}+_0^0\gamma$

4.) Positron decay: In this process, a proton gets converted to neutron and an electron neutrino and releases positron particles. This particle carries a charge of +1 units.

$_Z^A\textrm{X}\rightarrow _(Z-1)^A\textrm{Y}+_(+1)^0e$

In the question, it is given that when an isotope decays, it emits only energy. It is released when an isotope undergoes gamma decay and therefore, the correct answer is gamma radiation.

(3) gamma radiationIt is Electromagnetic energy only

In the chemical equation Zn + 2HCl ZnCl2 + H2, the reactants are A. zinc and hydrochloric acid.
B. zinc and hydrogen carbonate.
C. zinc chloride and hydrogen.
D. zinc chlorate and water.

Answers

In the chemical reaction: Zn + 2HCl -> ZnCl₂ + H₂, the reactants are zinc, Zn and hydrochloric acid, HCl (Option A)

How to determine the reactants in the reaction?

Chemical equations are representation of chemical reactions with symbols and formula of elements involved in the reaction.

Every chemical equation has two sides. These are:

Reactants: They are located on the left hand side of the equation
Products: They are located on the right hand side of the equation

With the above information, we can determine the reactants of the chemical equation. This is shown below:

Chemical reaction: Zn + 2HCl -> ZnCl₂ + H₂
Reactant =?

Reactants => They are located on the left hand side of the equation

=> Zn and HCl

Thus, the correct answer to the question is: zinc and hydrochloric acid (option A)

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The answer is A ( and the answer for the products is C )

Container that: A. Disposable B. Flexible C. Easier storage D. Easily punctured"

Answers

Answer:

a because a container is supposed to be disposed every once in a while

Final answer:

The question describes a type of container, likely a plastic bag or similar packaging material, which is disposable, flexible, allows for easy storage, but is also easily punctured.

Explanation:

The question seems to be asking about a type of

container

that is disposable, flexible, allows for easier storage, but is easily punctured. This could likely refer to something like a plastic bag or a flexible packaging material. These types of containers are often used in various industries due to their convenience and cost-effectiveness. For example, in the food industry, a plastic bag as a container is

disposable

after use,

flexible

to fit various shapes and sizes of products, allows for

easier storage

because they can be folded when not in use, but they are also

easily punctured

which can result in product damage if not handled with care.

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Which of the following alcohols is dehydrated most easily with conc. H²SO⁴? a. p-O²NC⁶H⁴CH(OH)CH³ b. p-C1C⁶H⁴CH(OH)CH³ c. p-CH³OC⁶H⁴CH(OH)CH³ d. C³H⁵CH(OH)CH³