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SpyIntel [72]
4 years ago
8

How many grams are in 0.02 moles of beryllium iodide, BeI2

Chemistry
1 answer:
just olya [345]4 years ago
3 0

Answer:Beryllium iodide has a molar mass of 262.821 g mol−1 , which means that 1 mole of beryllium iodide has a mass of 262.821 g . To find the mass of 0.02 moles of beryllium iodide, simply multiply the number of moles by the molar mass in conversion factor form.

Explanation:

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A 3.4 g sample of sodium hydrogen carbonate is added to a solution of acetic acid weighing 10.9 g. The two substances react, rel
natima [27]

Answer: 2.7 grams

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

NaHCO_3(aq)+CH_3COOH(aq)\rightarrow CH_3COONa(aq)+H_2O(l)+CO_2(g)

Given: mass of sodium hydrogen carbonate = 3.4 g

mass of acetic acid = 10.9 g

Mass of reactants = mass  of sodium hydrogen carbonate+ mass of acetic acid = 3.4 + 10.9= 14.3 g

Mass of reactants = Mass of products in reaction vessel + mass of carbon dioxide (as it escapes)

Mass of  carbon dioxide = 14.3 - 11.6 =2.7 g

Thus the mass of carbon dioxide released during the reaction is 2.7 grams.

7 0
3 years ago
D
sweet [91]

explanation

the chemical formula of water is H²O.

Hydrogen+Oxygen=water

answer

Hydrogen-Water-Hydrogen

8 0
3 years ago
How do intermolecular forces affect the shape of a drop? Check all the possible answers. A) Stronger IMFs lead to stronger adhes
amm1812

Given what we know, we can confirm that option A is correct in that Stronger IMFs lead to stronger adhesion, producing rounder drops with a smaller diameter.

<h3>What are IMFs?</h3>

IMF is the acronym used to describe intermolecular forces. These forces include all of the forces that bind molecules together, of which water has plenty. This bonding force creates a high adhesion and thus gives water its surface tension which makes it stay together in the shape of a drop.

Therefore, we can confirm that stronger IMFs lead to stronger adhesion, producing rounder drops with a smaller diameter, and therefore that option A is correct.

To learn more about molecular forces visit:

brainly.com/question/25863653?referrer=searchResults

5 0
3 years ago
How many moles of Oxygen are in 0.52 mol of Ca(NO3)2?
RideAnS [48]
2 moles of NO3 contains 6 moles of O
8 0
3 years ago
Burning gas on a stovetop transforms chemical energy into what other types of energy?
svp [43]

<u>Answer:</u>

<em>Burning gas on a stove top transforms chemical energy into thermal energy.</em>  

<u>Explanation:</u>

Cooking food involves in two types of energies. <em>They are chemical energy and thermal energy. </em>

We use gas for a gas stove.Here gas is chemical energy.when we light the stove the fire lits up and here the <em>chemical energy energy is converted into thermal energy.</em>

Breaking and combining of bonds during combustion gives heat and light.This thermal energy heats the vessels and cooks the food through the <em>process of conduction, convection and radiation. </em>

3 0
3 years ago
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