﻿ Give the number of significant figures in this number: 0.115 - AssignmentGrade.com

Give the number of significant figures in this number: 0.115

QUESTION POSTED AT 18/04/2020 - 06:52 PM

There are three significant figures

Related questions

Describe how oxidation and reduction involve electrons, change oxidation numbers, and combine in oxidation-reduction reactions.

QUESTION POSTED AT 02/06/2020 - 01:42 AM

Which mathematical relationship should you use to convert moles of a substance into grams? mass in grams = number of moles · molar mass in g/mol mass in grams=number of molesmolar mass in g/mol mass in grams=molar mass in g/molnumber of moles mass in grams = molecular weight · molar mass in g/mol

QUESTION POSTED AT 01/06/2020 - 04:16 PM

Please help :) Explain why a change in the position of a substituent group can, but does not always, result in a different compound. Give an example of when changing the position of this group results in a different compound and another example when it does not result in a different compound.

QUESTION POSTED AT 01/06/2020 - 03:51 PM

Describe geothermal energy and give one advantage and one disadvantage of its use.

QUESTION POSTED AT 01/06/2020 - 03:51 PM

Which of the following is not used to determine the brightness of a star? a) How far away the star is b) The size of the star c) The location of the star in the night sky d) How much light the star is giving off

QUESTION POSTED AT 01/06/2020 - 03:49 PM

Give three examples of physical change

QUESTION POSTED AT 01/06/2020 - 03:38 PM

Express as ordinary numbers. 3 x 100 =

QUESTION POSTED AT 01/06/2020 - 03:31 PM

The “fatal flaw” in Rutherford’s model of the atom was the idea that if the electrons were ________. orbiting the nucleus, changing direction and thus giving off energy, the electrons would lose all energy and collapse into the nucleus moving so rapidly, they would spiral away from the nucleus and be lost not moving, they could not maintain their distance from the nucleus located too far from the nucleus, they would not be attracted

QUESTION POSTED AT 01/06/2020 - 03:27 PM

If you have significant concerns about a child's development, you should A. sensitively present your concerns to the family and see if they're ready to talk about next steps. B. complete the special education evaluation to determine whether the child has a disability. C. talk with the child's physician about your concerns. D. refer the child to a special education provider in your community.

QUESTION POSTED AT 01/06/2020 - 03:11 PM

What electron could have quantum numbers n = 4, l = 2, ml = -2, ms = -?

QUESTION POSTED AT 01/06/2020 - 02:57 PM

Sarah is ordering cheese pizza for a party of ten people she knows each pizza has 8 slices to figure out how many pizzas to order sarah needs to know the

QUESTION POSTED AT 01/06/2020 - 02:45 PM

What is the colour of FeSo4, 7 H2O crystal how does the colour change upon heating? Give balance equation for the change

QUESTION POSTED AT 01/06/2020 - 02:38 PM

2.524 g (5.1 × 106 g) ÷ (6.85 × 103 g) = ? How many significant figures should the result have?

QUESTION POSTED AT 01/06/2020 - 02:04 PM

The minimum number of seismograph stations necessary to determine the location of an earthquake’s epicenter is

QUESTION POSTED AT 01/06/2020 - 02:01 PM

How many milligrams of sugar does the milk chocolate bar contain? express your answer in milligrams to four significant figures?

QUESTION POSTED AT 01/06/2020 - 01:52 PM

Consider this reaction and answer the questions: KCIO3->KCL+O2 What is the oxidation number of chlorine in the reactant state? What is the oxidation number of oxygen in the reactant state? What is the oxidation number of potassium in the reactant state? What is the oxidation number of chlorine in the product state? What is the oxidation number of oxygen in the product state? What is the oxidation number of potassium in the product state?

QUESTION POSTED AT 01/06/2020 - 11:57 AM

The correctness of a scientific claim comes from a.the scientists near perfect record b.its acceptance by the public c.the accuracy of the data and observations d.the number of years that went into making the claim the class is actually earth science

QUESTION POSTED AT 29/05/2020 - 05:29 PM

Two substances that have the same number of moles of representative particles always have: the same number of atoms the same masses the same weights None of these are correct.

QUESTION POSTED AT 29/05/2020 - 05:07 PM

Which of these pairs of elements have the same number of valence electrons?

QUESTION POSTED AT 29/05/2020 - 03:44 PM

Susan dropped a nail into a graduated cylinder filled with water. She then recorded the number of millimeters the water rose in the cylinder. Which property of the nail can be determined by the change in height of the water?

QUESTION POSTED AT 29/05/2020 - 02:54 PM

What is the maximum number of moles h2 that can be produced by the reaction of 3.00 mol of ni with 4.50 mol of hcl according to the equation: ni + 2hcl ? nicl2 + h2?

QUESTION POSTED AT 29/05/2020 - 02:15 PM

Nitric oxide, no, is made from the oxidation of nh3, and the reaction is represented by the equation 4nh3 + 5o2 ? 4no + 6h2o an 9.5-g sample of nh3 gives 12.0 g of no. the percent yield of no is :

QUESTION POSTED AT 29/05/2020 - 02:06 PM

When heated, solid copper(ii) carbonate decomposes to solid copper(ii) oxide and carbon dioxide gas. give the balanced chemical equation (including phases) that describes this reaction?

QUESTION POSTED AT 29/05/2020 - 02:05 PM

Consider the oxidation of sodium metal to sodium oxide described by the balanced equation: 4 na + o2 ? 2 na2o. if 2.55 mol of sodium reacts, what is the percent yield if the reaction actually gives 75.0 g of na2o?

QUESTION POSTED AT 29/05/2020 - 01:55 PM

A physician has ordered 37.5 mg of a particular drug over 15 min. If the drug was available aa 2.5 mg/ml of solution, how many ml would you need to give every 15 seconds?

QUESTION POSTED AT 29/05/2020 - 01:02 PM

A distance force is a force that acts on an object but A. does not move it B. does not give it any weight C. does not touch it D. does not affect the object at all

QUESTION POSTED AT 29/05/2020 - 12:51 PM

Silver's weighted average atomic mass is 107.86, leading one to assume that its most abundant isotope would be silver-108 (or 108Ag). Silver does have two naturally occurring isotopes, but 108Ag is not one of them. Which of the following best explains this phenomenon? a) When one is determining atomic masses in the laboratory, a significant amount of experimental error occurs. b) When the two isotopes of silver experience radioactive decay, their most abundant end product is silver-108. c) Although silver-108 is not naturally occurring, it is synthetically created in large quantities to meet consumer demands. d) The two silver isotopes have atomic masses of approximately 107 and 109 and are found in similar abundance in nature.

QUESTION POSTED AT 29/05/2020 - 12:45 PM

What number of psychoactive chemicals can be found in the plant that marijuana comes from

QUESTION POSTED AT 29/05/2020 - 12:32 PM

A teacher wants to figure out The amount of a solution that is needed for a titration experiment in a class lab! the class has 15 students in each experiment needs 50 mL of solution. if each student will perform the experiment two times how many milliliters of a solution will the teacher need for the whole class

QUESTION POSTED AT 29/05/2020 - 12:22 PM

Which unit represents 0.01 liters? A.kiloliters B.milliliters C.centiliters D.decaliters ( i think its D. maybe not, give me answer:) )

QUESTION POSTED AT 29/05/2020 - 12:20 PM