### How many vital figures will record in the age of the earth

Assignment Help Chemistry
##### Reference no: EM13264700

most scientists agree that the earth is 4.5 billion years old. 50 years from noe, how many sig figs will we record in the age of the earth

### Previous Q& A

#### What is the effect of this raw material price increase

Suppose the price of coffee beans increases by \$0.20 per pound. What is the effect of this raw material price increase on the demand for roasted coffee? If one pound produces 50 cups of coffee, would the price of a cup of coffee rise by \$0.01 ? Expla..

#### Mathematical equations using latex

To typeset documents that include titles, sections, lists, emphasis, verbatim environments, footnotes, tables of contents, and mathematical equations using LATEX

#### World’s population is increasing at an annual rate

If the world’s population is increasing at an annual rate of 1.3%, and there were 5 billion people in the year 1986, then in what year will the world’s population be 10 billion?

#### What electrical component is equivalent to a dashpot

If a spring is considered as being equivalent to an electrical resistance where force=voltage and displacement=current, then what electrical component is equivalent to a dashpot?

#### What is the companys weighted average cost of capital

What is the company's weighted average cost of capital?

#### Explain the relative strength of the intermolecular forces

Match the following properties of liquids to what they indicate about the relative strength of the intermolecular forces in that liquid. Strong intermolecular forces: Weak intermolecular forces

#### Category of positive or neutral communications

Most messages we write in the work place fall into the category of positive or neutral communications. Examples include routine requests, informative or good news announcements, replies to inquires, messages granting claims, letters of recommendation..

#### What is the present value of the annuity

What is the after tax present value of the annuity if the investor is in the 28% marginal tax bracket?

#### Calculate the required return based on the capm

Based on the following information, calculate the required return based on the CAPM.

#### Explain converter operation in a continuous-conduction mode

In a step-down converter, consider all components to be ideal. Let v_0 = V_0 be held constant at 5 V by controlling the switch duty ratio D. Calculate the minimum inductance L required to keep the converter operation

### Similar Q& A

#### What is the amount of zinc chloride that is produced

If 0.600 gram of zinc is used, what is the amount of zinc chloride that is produced in the above reaction?

#### Explain the bond angles to be found

Describe the bond angles to be found in each of the following molecular structures: (a) Planar trigonal (b)tetrahedral (c) octahedral (d) linear

#### What is the percentage of snf2 in the toothpaste sample

Based upon 3 SnF2 (ag) + 2 K3PO4 (aq)> Sn3(PO4)s (s) + 6 KF (aq), a 10.000 gram sample of toothpaste containing stannous fluoride gives a 0.145 gram precipitate of stannous phosphate. What is the percentage of SnF2 in the toothpaste sample?

#### Define ethanol is a common laboratory solvent

Ethanol is a common laboratory solvent and has a density of 0.789 g/mL

#### State higher temperature to one at lower temperature

How does the second law explain why heat travels from a substance at higher temperature to one at lower temperature?

#### State the fractional composition of the most basic form

Consider a triprotic system whose fully protonated form can be denoted by H3A. By definition, the fractional composition of the most basic form of the system, A3-, can be written as

#### Determining the sequence of octapeptide

Explain the following given for each statement in determining the sequence of peptide with concise (short) but complete response. you must state the specificity of each statement implication in determining the sequence of octapeptide.

#### Explain the absorbance of a chlorophyll a standard solution

The absorbance of a chlorophyll a standard solution in ethanol (density = 0.785 g/mL) is measured in a 1.3 cm cuvette or path length. The absorbance is 0.435 and the molar absorptivity coefficient is 86,300 M-1cm-1. The molecular weight for chloro..

#### Explain what is the hydronium ion concentration

What is the hydronium ion concentration and the pH of a solution formed when 30mL of 0.30M HNO3 is titrated with 43mL of 0.20M NaOH at 25C?

#### Explain what is the effect on the products at equilibrium

according to le chateliers principle, what is the effect on the products when N2 is added to the equilibrium mixture of each of the following reactions? a)2NH3(g) 3H2(g)+N2(g). b)N2(g)+O2(g) 2NO(g). c)2NO2(g) N2(g)+2O2(g). d)4NH3(g)+3O2(g) 2N2(g)+..

#### Resulting in the formation of a percipitate of lead chromate

An aqueous solution of lead nitrate, Pb(NO3)2, is mixed with one of sodium cromate, Na2CrO4, resulting in the formation of a percipitate of lead chromate.

#### Find the volume of propane gas

A sample of propane occupies 250.0 L at 125 kPa and 38 degrees celsius. Find its volume at 100.0 kPa and 95 degrees celsius.