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earnstyle [38]
3 years ago
5

An example of a substance that is acidic is __________

Chemistry
1 answer:
krok68 [10]3 years ago
5 0

Answer:

vinegar

Explanation:

the components of vinegar includes acetic acid which is formed through vinegar's fermentation of ethanol

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Pls help ASAP!!!<br> BRAINILIEST
pashok25 [27]

Answer:

c

Explanation:

7 0
3 years ago
How many grams of CaCl₂ should be dissolved in 500.0 mL of water to make a 0.20M solution of CaCl₂?
Butoxors [25]
0.2M means 0.2mol CaCl2/1L solution.

This question didn't give us a density of the solution so needs an assumption that the solution has equal volume to water.

xmol/0.5L=0.2M
x = 0.1

0.1mol of CaCl2 is needed. Ca=40g/mol, Cl=35.5g/mol.
CaCl2 0.1mol = (40+35.5*2)*0.1=11.1g
8 0
3 years ago
What should each experiment only have one of?
Ket [755]

Answer: varriable

Explanation:meaning one element, feature or factor able to change

3 0
3 years ago
1.Si dos átomos tienen el mismo "Z" pero diferente "A" se trata de : a) Nucleones b) Isótopos c) Mesones
Vsevolod [243]

Answer:

Si dos átomos tienen el mismo "Z" pero diferente "A" se trata de Isótopos.

Explanation:

Cada elemento químico se caracteriza por el número de protones de su núcleo, que se denomina número atómico Z. Pero en el núcleo de cada elemento también es posible encontrar neutrones, cuyo número puede variar. La masa atómica (A) se obtiene sumando el número de protones y de neutrones de un núcleo determinado.

Un mismo elemento químico puede estar constituido por átomos diferentes, es decir, sus números atómicos son iguales, pero el número másico es distinto. Estos átomos se denominan isótopos del elemento. Si a un átomo se le añade un neutrón, se convierte en un isótopo de ese elemento químico. En otras palabras, se denomina isótopos a los átomos de un mismo elemento, cuyos núcleos tienen una cantidad diferente de neutrones.

Los isótopos de un elemento tienen las mismas propiedades químicas, pero difieren algo en sus propiedades físicas.

Entonces, <em><u>si dos átomos tienen el mismo "Z" pero diferente "A" se trata de Isótopos.</u></em>

5 0
3 years ago
How many atoms of hydrogens are found in 3.21 mol of<br>C3H8?​
damaskus [11]

Answer:

1.55 × 10²⁵ atoms of H  

Explanation:

3.21mol C₃H₈ × 8mol H × (6.022×10²³)

8 0
3 years ago
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