3 years ago

Describe and explain one piece of evidence that a chemical reaction occurs when baking soda is added to vinegar

Chemistry

1 answer:

Black_prince [1.1K]3 years ago

3 0

It will create bubbles and foam

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What is the percent composition of each of the elements in Al(OH) 3 ?

stellarik [79]

Answer:

Answer Below

Explanation:

Percent composition by element

Element Symbol Mass Percent

Aluminium Al 34.590%

Hydrogen H 3.877%

Oxygen O 61.533%

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HELP NOW FIRST=BRANILYEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

cestrela7 [59]

Answer:

the answer is c. their atomic masses are different clearly because an atom of gold has 79 protons and the atom can be divided multiple times. An atom of silver has an atomic number of 47. 47 electrons. Clearly different. Hope it helps :)

Explanation:

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Silicon has 2 isotopes, Silicon-28 with an abundance of 90% and Silicon-30 with an abundance of 10%. Find the AAM for Silicon.

JulsSmile [24]

Answer:

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3 years ago

In which direction does the electric field point at a position directly east of positive charge.

butalik [34]

Answer:

The direction of the field is taken to be the direction of the force it would exert on a positive test charge. The electric field is radially outward from a positive charge and radially in toward a negative point charge.

Explanation:

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Is know as a force that pulls an object weight to center of the earth

vlabodo [156]

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