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sukhopar [10]
3 years ago
6

All metals are minerals a. true b. false​

Chemistry
1 answer:
Anettt [7]3 years ago
7 0

Answer:

B. False is the rite answer

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The bones in the front limbs of many mammals are similar in their structures
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Is this a true or false? If so believe itd be true<span />
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3 years ago
Please help!!!!! ASAP I WILL GIVE BRAINLIEST IF CORRECT
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the nucleus represented by x is 56

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Baking soda (sodium bicarbonate) is often used to neutralize spills of acids on the benchtop of the laboratory. What mass of sod
FrozenT [24]

Answer : The mass of NaHCO_3 needed is, 12.7 grams.

Explanation :

First we have to calculate the moles of HCl.

\text{Moles of }HCl=\text{Concentration of }HCl\times \text{Volume of }HCl

\text{Moles of }HCl=6.01M\times 0.0252L=0.151mol

Now we have to calculate the moles of NaHCO_3

The balanced neutralization reaction will be:

HCl+NaHCO_3\rightarrow NaCl+H_2O+CO_2

From the balanced chemical reaction we conclude that,

As, 1 mole of HCl neutralizes by 1 mole of NaHCO_3

So, 0.151 mole of HCl neutralizes by 0.151 mole of NaHCO_3

Now we have to calculate the mass of NaHCO_3

\text{ Mass of }NaHCO_3=\text{ Moles of }NaHCO_3\times \text{ Molar mass of }NaHCO_3

Molar mass of NaHCO_3 = 84 g/mole

\text{ Mass of }NaHCO_3=(0.151moles)\times (84g/mole)=12.7g

Therefore, the mass of NaHCO_3 needed is, 12.7 grams.

7 0
3 years ago
1.) A building has two lifts. One lift stops only at even numbered floors and the other stops only at odd numbered floors. What
dlinn [17]

The answers for the following questions are given below

  1. the advantage in operating the lifts in this manner is: (B). It reduces the time taken to reach the required floor, as the lifts can move faster.
  2. The most likely reason for this is: (A). Plants breathe very little during the winter months.
  3. Solution Q likely to do: (D). (Nothing can be said with just the given information.)​

<h3>Meaning of Solution</h3>

A solution can be defined as a chemical mixture that is formed by two major components which are known as the solute and the solvent.

A solution based on its components varies in its type and function.

In conclusion, The answers for the following questions are given above.

Learn more about a Solution: brainly.com/question/25326161

#SPJ1

6 0
1 year ago
Which of the following is the most important factor when determining a safe speed?
ladessa [460]

Answer:

Wind, water conditions and currents

Explanation:

To determine a 'safe speed' for your boat, it is very pertinent to take into account the following very important factors: The visibility conditions (fog, mist, rain, darkness) The wind, water conditions and currents. Traffic density, type of vessels in the area and their proximity are also important considerations to take into account.

4 0
3 years ago
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