1. A 20.0 kg object that can move freely is subjected to a resultant force of 45.0 N in the -x direction. Find the acceleration of the body.

Q: A device that does not use an electric current to produce motion is called an Electric Motor. O True…

A: Electric motor convert electric current to mechanical energy.

Q: Chemistry Use both a Q-test and Grubb's test on the following data to see if the lowest value can be…

A: The questionable value is the lowest number which is 34. We need the mean(average) and standard…

Q: Pmease assist with number 1.   this is NOT a graded question.  See below: This is not a graded…

A: Magnesium reacts with HCl to give MgCl2 and hydrogen gas as per the following equation: Mg (s) +…

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A: It is given that a person has an average heart rate of 71.0 beats/min and the beats a person have in…

Q: What are the basic chemistry apparatuses? Include meaning.

A: 1.A beaker is a common container in most labs. It is used for mixing, stirring, and heating…

Q: B. Calculate the following information. USE THE FACTOR-LABEL METHOD TO DO YOUR CALCULATIONS!!! 1. A…

A: The density of a solution is calculated by the formula: Density=MassVolume   Note: Since you have…

Q: What would be the AXE notation for Pbl2? O AXE2 O AX2 O AX2E3 O AX2E2 O AX2E

A: Pb is central atom = A,  Halogen = I, Pb belongs to IV A group, Pb is having two single bonds and…

Q: НО + Ди-н

A: 2° amine reacts with carboxylic acid, then nucleophilic addition takes place. The deprotonation of…

Q: Multiple Choice II IV II

A: From the data the  highest Boiling point of the  given molecule need to be write.

Q: mportance of forensic chemist

A: The process of applying scientific expertise in the field of chemistry to solve crimes is known as…

Q: 15. The density of silver is 10.49 g/cm. a. What is the volume of a silver coin that has a mass…

A: Density: Density is defines as the mass per unit volume of a substance. Those substance which has…

Q: Which of the following is a heterogeneous mixture? O Crude oil Rubbing alcohol Steam Salt water…

A: we have to determine which of the given substances is a heterogenous mixture

Q: 75.5 dg = O 7.55 X 10^-9Gg O 7.55 X 10^9ng O 7.55 X 10^9Gg O 7.55 X 10^-9ng

A: We have to choose the correct option  equivalent for 75.5 dg after its unit conversion.

Q: Number 4

A: IUPAC name of the given compounds are provided as follows,

Q: Can you help with number 1, see picture    This is not a graded question as it is a practice…

A: Increased concentration of HCl will result in more hydrogen gas formation as more collisions will…

Q: Larry explains to his classmate that line segments B-C and D-E represents moments of the heating…

A: No, Larry is wrong.

Q: what is the size of the smallest increment shown on my ruler?

A: Hi, as the scale diagram is not given hence I am providing the scale and also the solution for the…

Q: Describe the following: Quantitative Qualitative Mixed

A: A plan that and procedures that consists of the  steps of broad assumption to detailed method of…

Q: Number 8

A: Given products,

Q: 1s²2s²2p63s²3p64s²3d104p65s²4d4

A: Here we have to predict the symbol of divalent cation of the following given electron configuration.

Q: Need help eith Table 1

A: The of a solution is a figure that expresses the acidity or the alkalinity of a given solution.…

Q: Choose the selection which most accurately gives both the value of the angle numbered 1 and the…

A: The given options are,

Q: Can you please help with number four in the picture.This is not a graded question as it is a…

A: It is given that temperature increases on mixing,  which means that the reaction is exothermic

Q: Provide a short description of multiplicity and give an example of how it relates to someone life.…

A: Multiplicity refers to the state of being multiple or having multiple aspects, parts, or identities.…

Q: pH Range and Colors 1 2 3 4. ndicator Bromcresol green Congo Red Methyl Yellow Thymol Blue Methyl…

A: The pH range for the unknown is to be determined from the color change observed for each indicator.…

Q: f. Which compounds will increase in amount as a result of this shift? (Enter "correct" for ALL…

A:

Q: Can you show us how to do problem number nine, in the picture.This is not a graded question as it is…

A: given data are -if 50ml 0f 0.1M NaOH was added to each beaker, which resulting solution would have…

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A: In chromatogram when gap between two spot is minimum,  then gap between them can be increased by two…

Q: I have attached a picture showing the questions i have. Numbers 5B and 5C are where i am confused.

A:

Q: H-C₁-C₂ bond angle is [Select] C₁-C₂-C3 bond angle is [Select] = C2-C3-C4 bond angle is [Select] e…

A: The bond angle of a molecule is affected by the number of sigma bonds and lone pair of electrons on…

Q: Please I need help solving number 12

A:

Q: Draw a graph of [A₂] vs. time, over the span of 20 minutes. Using a different color or a dashed…

A: The given reaction is  A2 + B2 ↔ 2AB Initial concentration of both A2 and B2 is 4 M after 10 minutes…

Q: Answer all questions from

A: To calculate the molar mass of germanium tetrafluoride (GeF4), we'll sum the atomic masses of its…

Q: For which of the following incidents requires you to notify your instructor immediately?   Group…

A: In laboratory we should work very carefully.

Q: How to answer number 67

A: Applying concept of chemical bonding.

Q: Energy  the matter possesses due to its position is called ? kinetic energy potential energy…

A: Kinetic energy: Energy because of the motion of the object Potential energy: Energy because of the…

Q: Based on the information given, identify the most significant error in the preparation of Graph 2.…

A: To answer the question, let us analyze each option and determine whether this is the most…

Q: Cl₂ light, 20°C

A: The question is based on organic reactions.We need to identify the product and explain its…

Q: I need the answer for question 5

A: