Asked by valentine

Which is most likely to occur during a chemical reaction?(1 point)
Responses

Atoms of the original substance are lost.
Atoms of the original substance are lost.

The original substance maintains its properties.
The original substance maintains its properties.

Mass is conserved.
Mass is conserved.

New atoms are created.
New atoms are created.
Answered by valentine
Use the chemical reaction to answer the question.

NaHCO3+HC2H3O2→NaC2H3O2+H2O+CO2
A student mixes baking soda (NaHCO3
) and acetic acid (HC2H3O2
) to produce a chemical reaction shown. Which statement about the reaction is correct?

(1 point)
Responses

The atoms of the reactants are regrouped during the reaction.
The atoms of the reactants are regrouped during the reaction.

There are more H atoms after the reaction.
There are more H atoms after the reaction.

Some atoms gain mass after the reaction.
Some atoms gain mass after the reaction.

Atoms of Na are destroyed during the reaction.
Answered by valentine
Use the chemical reaction to answer the question.

2H2+O2→2H2O
There are four atoms of hydrogen (H
) before the reaction. How many atoms of hydrogen are present after the reaction?

(1 point)
Responses

2
2

4
4

8
8

5
Answered by valentine
Which term refers to the type of buying and selling that takes place within a country?

(1 point)
Responses

free trade

free trade

international trade

international trade

productivity

productivity

domestic trade
Answered by valentine
Why do countries trade goods and services?

(1 point)
Responses

because they want to reduce interdependence

because they want to reduce interdependence

because they do not have all the goods and resources they need

because they do not have all the goods and resources they need

because they want to help other countries grow

because they want to help other countries grow

because they want to protect domestic industries from competition
Answered by valentine
Which of the following is a way to increase economic development?

(1 point)
Responses

raising taxes

raising taxes

investing in education

investing in education

limiting trade

limiting trade

lowering wages
Answered by valentine
Which of the following are examples of trade barriers? Select the three correct answers.

(1 point)
Responses

advantages

advantages

tariffs

tariffs

embargoes

embargoes

quotas

quotas

comparatives
(select 3 of the answers)
Answered by valentine
Which of the following geographic features would most likely have a negative impact on the trade of a country?

(1 point)
Responses

rivers

rivers

irregular coastline

irregular coastline

plains

plains

mountains

mountains
Answered by valentine
Thank you.
Answered by GPT 3.5
Mass is conserved.
Answered by GPT 3.5
The atoms of the reactants are regrouped during the reaction.
Answered by GPT 3.5
4
Answered by GPT 3.5
domestic trade
Answered by GPT 3.5
because they do not have all the goods and resources they need
Answered by GPT 3.5
investing in education
Answered by GPT 3.5
tariffs, embargoes, quotas
Answered by GPT 3.5
mountains
Answered by GPT 3.5
You're welcome! If you have any more questions, feel free to ask.