I digits. You may assume the temperature

Q: Question attached

A: we have 4 significant figure. For round up, we can take +1 value for greater than 5.…

Q: Can you tell me how to arrange numbers of scientific notation in order from largest to smallest?

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: Ammonia (NH,) chemically reacts with oxygen gas (o,) to produce nitric oxide (NO) and water (H,0).…

A: Given data is as follows: The mass of ammonia given = 1.2 g The mass of oxygen gas consumed = ?

Q: 1. H H Н H 'H H Н

A:

Q: Which one is the uncertain digit in... 343

A: Since we know that Each measured number has only and only ONE uncertain digit (the last digit…

Q: Practice with a sample problem You wash dishes for a chemistry laboratory to make extra money for…

A:

Q: Round off each of the following numbers to the indicated number of significant digits, and write the…

A: a. 0.00034159 to three digits = 3.42 × 10-4   b.103.351 3 102 to four digits = 10.34  × 101

Q: How many joules of energy are produced when 2184 kilograms of hydrogen are converted into helium in…

A: In the sun when hydrogens are fused to helium, there is a deficient of mass in the product helium.…

Q: The number 158.70 in normal scientific notation, showing proper significant figures is:

A: Given number= 158.70 In scientific notation, Decimal will be placed after first number , so

Q: Convert 26.31 mg into amu, using dimensional analysis.

A: The question is based on the concept of dimensional analysis. we have  to convert the given quantity…

Q: To the appropriate number of significant figures, what is the initial temperature of 3.liter of it…

A: Sign convention: Heat absorb = positive (+) Heat release = negative (-) The density of water is 1…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.