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3 years ago

What is the flexible connective tissue shown in blus?

Chemistry

2 answers:

Sliva [168]3 years ago

5 0

Answer:

cartilage

Explanation:

satela [25.4K]3 years ago

3 0

Have to b O muscle cartilage

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When iron rusts it no longer conducts electricity this is because

Evgesh-ka [11]

it has gone through the process of a chemical reaction, and is no longer in its original form, which makes it lose its means of conductivity

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3 years ago

Why do animals that are active at night tend to have trouble seeing in color? A. Animals that are active at night have more rod

katrin2010 [14]

Answer:

Nocturnal animals have more rod cells in their eyes as compared to humans and other animals active during the day. These rod cells serve as light receptors and help them see in dim light.

Explanation:

7 0

3 years ago

In a titration experiment, 31.4 mL of 1.120 M HCOOH is neutralized by 16.3 mL of Ba(OH)2. What is the concentration of the Ba(OH

11Alexandr11 [23.1K]

Answer : The concentration of the $Ba(OH)_2$ solution is, 2.16 M

Explanation :

To calculate the concentration of base, we use the equation given by neutralization reaction:

$n_1M_1V_1=n_2M_2V_2$

where,

$n_1,M_1\text{ and }V_1$ are the n-factor, molarity and volume of acid which is $HCOOH$

$n_2,M_2\text{ and }V_2$ are the n-factor, molarity and volume of base which is $Ba(OH)_2$ .

We are given:

$n_1=1\\M_1=1.120M\\V_1=31.4mL\\n_2=2\\M_2=?\\V_2=16.3mL$

Putting values in above equation, we get:

$1\times 1.120M\times 31.4mL=2\times M_2\times 16.3mL\\\\M_2=2.16M$

Thus, the concentration of the $Ba(OH)_2$ solution is, 2.16 M

7 0

4 years ago

***30 POINTS!!!!

satela [25.4K]

Answer:

Approximately 241 kJ/mol reaction.

Explanation:

How many moles of the reaction took place?

The coefficient in front of both NaOH and HCl are both one. In other words, one mole of the reaction will require one mole of NaOH and one mole and HCl.

$\rm0.025\; L \times 0.100\; mol\cdot L^{-1} = 0.0025\; mol$ of both NaOH and HCl are available. As a result, 0.0025 moles of the reaction would have taken place.