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zubka84 [21]
3 years ago
7

I just need the parallel, please help:)

Chemistry
1 answer:
Lynna [10]3 years ago
5 0

Answer:

1. seperate paths

Explanation:

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Explain on any two materials that you would expect to use for the wheelchair (both back support and
Ugo [173]

Answer:

In the backrest use materials where it is easy to clean and where they do not absorb fluids, in this way it would be cooler, such as an ecological leather simulator.

And in the armrest as well, but in both areas we must not rule out that if or if it should have even a minimum of padded surface so that the patient or the person who spends most of the day in the wheelchair does not suffer from joint pain.

Explanation:

Some wheelchair factories also implement modern chairs where they are made of stainless steel structures lined with padded material with perforated fabrics that allow breathing and aeration of body areas that have contact with the fabric.

8 0
3 years ago
Name one of the new products formed when acids and alkalis mix?
Kruka [31]

Answer:

Water (H20)

Explanation:

When an acid combine with a base, the reaction is called neutralization and it produces salt and water. This can be seen from the reaction between HCl and NaOH as shown below:

HCl + NaOH —> NaCl + H2O

From the above equation, we see clearly that salt (NaCl) and water (H2O) are the new products form.

6 0
2 years ago
Which wave has a disturbance that is perpendicular to the wave motion?
Otrada [13]
It B I just took the test ;)
7 0
3 years ago
Read 2 more answers
15.89 percent carbon, 21.18 percent oxygen, and 62.93 percent osmium. what is the empirical formula
otez555 [7]

Answer:

OsCO or COOs

Explanation:

Data given

Carbon = 15.89 %

Oxygen = 21.18 %

Osmium = 62.93%

Empirical formula = ?

Solution:

First find the masses of each component

Consider total compound is 100g

As we now

mass of element = % of component

So,

15.89 g of C     = 15.89 % Carbon

21.18 g of O      =   21.18 % Oxygen

62.93 g of Os  =   62.93% Osmium

Now convert the masses to moles

For Carbon

Molar mass of C = 12 g/mol

                  no. of mole = mass in g / molar mass

Put value in above formula

                  no. of mole =  15.89 g/ 12 g/mol

                  no. of mole =  1.3242

mole of C = 1.3242

For Oxygen

Molar mass of O = 16 g/mol

                  no. of mole = mass in g / molar mass

Put value in above formula

                  no. of mole =  21.18 g/ 16 g/mol

                  no. of mole =  

mole of O = 1.3238

For Os

Molar mass of Os = 190 g/mol

                  no. of mole = mass in g / molar mass

Put value in above formula

                  no. of mole =  62.93 g/ 190 g/mol

                  no. of mole =  

mole of Os = 1.3312

Now we have values in moles as below

C = 1.3242

O = 1.3238

Os = 1.3312

Divide the all values on the smalest values to get whole number ratio

C = 1.3242 /1.3238 = 1.0003

O = 1.3238 /1.3238 = 1

Os = 1.3312 /1.3238 = 1.0056

So all have round value 1 mole

C = 1

O = 1

Os = 1

So the empirical formula will be (OsCO) i.e. all 3 atoms in simplest small ratio

7 0
3 years ago
Which is a balanced chemical equation? C7H16 + 5O2 6CO2 + 4H2O C7H16 + 11O2 7CO2 + 8H2O C7H16 + 14O2 7CO2 +5H2O C7H16 + 22O2 14C
pav-90 [236]
<span>C7H16 + 11O2  ------>  7CO2 + 8H2O
</span><span>C- 7                                C- 7
H- 16                              H -8*2=16
O -11*2 =22                    O - 7*2 +8 =14+8=22</span>
6 0
2 years ago
Read 2 more answers
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