CHEMISTRY HIGH SCHOOL

What are the efficient things needed for a village ​

Answers

Answer 1
Answer:

Answer:

Those aspects which are something a village needs are specified beneath.

Explanation:

  • Things being equally necessary to make living simpler and therefore more enjoyable. The government has promised to continue providing basic facilities to either an unpopulated location, including such roads, drinkable water, as well as electric power.
  • Therefore, throughout the village, certain things accessible with maximum variety and quality that have become the basic requirements for this human existence.

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An inherited behavior or physical characteristics that helps an organism survive and reproduce Natural selection Predation Adaptation Competitionlook at pic thanks :D​
Which molecule contains a triple covalentbond?(1) H2 (3) O2(2) N2 (4) Cl2

2Al + 6HCl → 2AlCl3 + 3H2 If 3.0 grams of H2 were produced, how many grams of Al reacted? (Molar mass of Al = 27 g/mol, molar mass of H2 = 2.0 g/mol) ___ grams

Answers

The 2AI + 6HCL = 2ALCL3 + 3H2. of the 3.0 gms of H2 are made.

  • The values derived from the grams of H2 in production can be used for finding the molar mass of AI of 27.
  • AI will react and make a 26.8 g of AI as molar mass consists of AI = 27 g / ml and the M of the H2 = 2.0g/ mol gms.
  • The calculated M of grams is 26.8 rounded to 3g figures.

Learn more about the 2AI + 6HCL = 2ALCL3 + 3H2.

brainly.com/question/14840695.

Answer:

its actually 26.8 rounded to three sig figs

Explanation:

ur welcome

Hey guy I have presentation tomorrow on sodium . Can u give me ideas how to present it. So that students feel joy and easily understand

Answers

Answer:

first you could say did you know that you 3% of sodium in sprit but the good thing is that sodium wont make you gain any pounds if it weren't for sodium all are food wouldn't be preserved we would be eating unpreserved food witch could really hurt your body.

Explanation:

hope it  helps

Which compound contains both ionic and covalent bonds?(1) ammonia
(2) methane
(3) sodium nitrate
(4) potassium chloride

Answers

Answer is (3)- Sodium Nitrate.

Normally ionic bonds can be seen betweenmetals and non-metals while covalentbonds present betweennon-metals. Another thing that determines the bond nature is electronegativityvalue of the atoms.If the electronegativity differenceis high, then that bond tends to be an ionic bond.
 
Sodium nitrate consists of Na⁺ and NO₃⁻ ions. Hence, the bondbetween Na⁺ and NO₃⁻ is an ionicbond. 

NO₃⁻ is made from N and O. Both are non-metallicatoms. The electronegativities of N and O are 3.0 and 3.5 respectively. Hence, there is nobig difference betweenelectronegativity values (3.5 - 3.0 = 0.5). Hence, the bondbetween N and O is a covalentbond. 

Compound (3) sodium nitrate contains both ionic and covalent bonds.

Compound (3) sodium nitrate contains both ionic and covalent bonds. Sodium nitrate consists of the ions Na+ and NO3-, where the bond between Na+ and NO3- is predominantly ionic, and the bond within the NO3- ion is covalent. The sodium ion (Na+) donates an electron to the nitrate ion (NO3-), resulting in an ionic bond. However, within the nitrate ion, the nitrogen (N) and oxygen (O) atoms share electrons, forming covalent bonds.

Learn more about compound here:

brainly.com/question/11635939

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Experimental data are collected as: x[100]={1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100}; y[100]={-92.3973,14.0677,98.9626,49.6151,111.88,-38.7967,52.1535,-101.325,65.6111,125.129,151.762, -123.132,-41.8744,-39.3356,-99.7856,-128.881,58.5477,-111.692,-75.3057,4.4723,-100.051,169.051, -15.6953,58.3125,147.346,10.9835,42.3421,166.697,-105.534,-90.2199,151.189,130.022,-8.1448,-51.3493, 164.427,119.154,-99.2704,155.986,133.212,118.035,13.1819,139.678,81.5178,-12.4377,-11.7671,146.627, -25.787,107.25,19.8867,15.6437,112.871,122.552,8.42037,-10.1364,146.682,178.531,203.565,-70.7871, 171.256,-50.6232,193.836,-34.7733,-68.9564,25.3423,75.6537,21.5484,46.5259,-64.22,-13.5792, 74.9213,-26.6872,30.5302,169.534,-36.7224,65.4419,113.978,68.1137,181.414,127.76,145.447,75.5486, 164.201,169.504,110.07,96.713,114.974,155.46,2.72803,-59.9407,13.426,29.9344,-11.052,176.639, 162.505,-18.3784,184.418,234.104,127.227,145.18,0.440172}; Obtain the regression line in the form of y = a x + b.

Answers

hi myself thx for the answers

Q4. What are the different ways in which human being use rocks ?​

Answers

Answer:

To hit someone on the head

Explanation:

self protection

What can the bromine be classified as

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I think maybe a liquid if thats what you mean but it can easily become a gas because it evaporates eaisily .
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