Which value from his calculation most strongly affects the number of significant figures in the answer?

Answers

Answer 1

Answer: well, the value that would most affect it is the one with the least sig figs

that would be the one that had the least precise way of measurement

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Joseph, a supervisor at H2O Chemicals Inc., needs to assess the behavior of 25 people, who constitute a large group of his subordinates. Which of the following methods combines ease of use with objectivity and a basis for providing feedback?

Ricardo wants to determine the length of a strip of zinc metal. What is the SI unit for length? foot inch liter meter

Answers

Answer : The correct option is, meter

Explanation :

S.I : It is known as the international System of Units. It is defined as a scientific method to express the magnitude of the several basics units.

There are seven basic units in the system from which the other units are derived.

The seven base unit are, meter for length, kilogram for mass, second for time, ampere for current, kelvin for temperature, mole for amount of substance and candela for intensity.

As per question, the S.I unit of length of a strip of zinc metal is, meter.

Hence, the correct option is, meter

The Si unit for length is meters.

hat is the relationship between the vapor pressure of a liquid and the measured pressure of the gas above the liquid at a given temperature in a closed system?

Answers

Answer:

In a closed system the vapor pressure and the measured pressure of a gas increases.

Explanation:

as the pressure of the liquid increases the measured pressures also increases with a given temperature.

Which information about a chemical reaction is provided by a potential energy diagram?

Answers

An energy profile of a reaction tells you whether it's endothermic or exothermic, the energy of the products and reactants, the activation energy needed for the forward (Ea) and reverse (Ea') reactions, the change in energy (∆E), and the energy of the activated complex.

Which two factors must be equal when a chemical reaction reaches equilibrium?(1) the concentration of the reactants and the concentration of the products
(2) the number of reactant particles and the number of product particles
(3) the rate of the forward reaction and the rate of the reverse reaction
(4) the mass of the reactants and the mass of the products

Answers

The correct answer is option 3. Equilibrium is achieved in a chemical reaction when the rate of the forward reaction is the same for the rate of the backward reaction and when the reaction has stopped.

The fuel used in many disposable lighters is liquid butane, C4H10. Butane has a molecular weight of 58.1 grams in one mole. How many carbon atoms are in 1.50 g of butane?

Answers

Doesnt the number of carbon atoms stay the same.
Though the weight of carbon in 1.5g is 1.24g.

This is because the RAM of C4 is 48.

The RFM of C4H10 is 58. Therefore, 48/58 is carbon in butane.

48/58 x 1.5 = 1.24g

How can the use of biotechnology lead to the increase in soil practices

Answers

Biotechnology is the use of biological processes for industrial use. This is especially used in the manipulation of microorganisms for producing antibiotics, hormones and other products. Today, biotechnology has been the center of research and development. Using this for developing soil practices will surely help people and will have a great impact. Through biotechnology, we can increase soil health and the nutritive value of the soil for plants.

Answer:

A) Biotechnology use can lead to a decrease in pesticide and herbicide use, maintaining soil quality.

Explanation:

just took test on edge

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A 125 mL aqueous solution contains 1.86 mc032-1.jpg 10–5 g of potassium chloride and has a density of 1.02 g/mL. What is the concentration in ppm?

A mothball, composed of naphthalene (C10H8), has a mass of 1.52g. How many naphthalene molecules does it contain?

What is the definition of solution?

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