3 years ago

Is this statement true or false? Acids contain hydrogen. A. True B. False

Chemistry

1 answer:

Zina [86]3 years ago

8 0

It is False because from their chemical formulae.

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Hydrogen and oxygen react to produce water. Which of the following is the correctly balanced chemical equation for this reaction

andrezito [222]

Answer:

2H₂ + O₂ ===> 2H₂O

Explanation:

4 0

2 years ago

Consider the reaction where barium sulfate can be prepared from 2.76 mol of sodium sulfate and excess barium acetate. Sodium ace

MAXImum [283]

Answer:

1. Na2SO4(aq)+C4H6BaO4(aq) --> BaSO4(s) + 2C2H3NaO2(aq)

2. 2Na^+1(aq) + SO4^-2(aq) + 4C^+4(aq) + 6H^+1(aq) + Ba^-2(aq) + 4O^-2(aq) --> BaSO4(s) + 2C^-4(aq) + 2H^+1(aq) + 3Na^+1(aq) + 2O^-2(aq)

3. Ba^+2(aq) + SO4^-2(aq) --> BaSO4(s)

Explanation:

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2 years ago

__________ electrons are the most important electrons to an atom.

Pie

Answer:

Valence electrons are the most important electrons to an atom.

Explanation:

They will determine many of the atoms traits since they are involved in bonding with other atoms.

7 0

4 years ago

Read 2 more answers

9. A box is pushed 1.5 m to the right in 5 s. What is the box’s average speed to the nearest hundredth of a m/s? *

poizon [28]

Answer:

s = 0.30 m/s

Explanation:

Given data:

Distance travel = 1.5 m

Time taken = 5 s

Average speed of box = ?

Solution:

s = d/t

s = speed

d = distance

t = time

by putting values,

s = 1.5 m/ 5 s

s = 0.30 m/s

7 0

3 years ago

in this lab we will build an instrument called a coffee cup calorimeter: identify the list with all the necessary parts

Nesterboy [21]

A calorimeter is just an insulated container which contains the sample. You combust the sample inside the calorimeter, then you measure the temperature with respect to time. Make sure to stir constantly. Thus, you need a thermometer and a stirrer. The coffee cup calorimeter is labelled as shown in the picture attached. The goal of this experiment is to determine the specific heat capacity.

8 0

3 years ago