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ruslelena [56]
2 years ago
6

Why is litmus paper an example of an indicator

Chemistry
1 answer:
Alexxx [7]2 years ago
5 0
It gives visible feedback based on whether the substance being checked is an acid or an alkali
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when the equation __ cu __h2so4 → __cuso4 __h2o __so2 is correctly balanced, what is the coefficient of cuso4?
schepotkina [342]
<span>1 Cu + 2 H</span>₂<span>SO</span>₄<span> = 1 CuSO</span>₄<span> + 2 H</span>₂<span>O + 1 SO</span>₂

Coefficient od CuSO₄ = 1

hope this helps!
7 0
3 years ago
plants need carbon dioxide in order to survive. Plants get this gas from? which is something all organisms need.​
vichka [17]

Answer: sunlight

Explanation:

They get carbon dioxide from the sunlight, in a process called photosynthesis. They absorb the sunlight and turn the energy into carbon dioxide.

6 0
3 years ago
Assume that consumer spending increased by $4 billion while unsold business production aimed at consumers increased by $6 billio
Natali5045456 [20]

Answer:

The correct option is;

B. Increase by $4 billion

Explanation:

In Gross Domestic Product, (GDP) calculation based on the spending or expenditure approach, the spending components of the countries different economic groups are calculated

The formula for the GDP can be expressed as follows;

GDP = C + G + I + NX

Where;

C = Consumer spending or private sector consumption

G = Spending by the government

I = Economic investment

NX = Net export of goods by the economy.

5 0
3 years ago
Identify the base in this acid-base reaction:
yarga [219]

Answer:

\boxed{\text{NaOH}}

Explanation:

\rm \underbrace{\hbox{NaOH }}_{\hbox{base}} + \underbrace{\hbox{HCl}}_{\hbox{acid}} \longrightarrow \, NaCl + H$_{2}$O

A hydroxide of a metal is a base.

\text{The base is }\boxed{\textbf{NaOH}}

B is wrong. HCl is an acid.

C is wrong. NaCl is a salt.

D is wrong. Water is neutral.

8 0
2 years ago
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garik1379 [7]
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3 years ago
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