I figured out the first question but don't seem to understand the other two
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I don't understand what this question ask for. I think it want me to take 7.2*10^-3 and rewrite it as 0.00072. Am i right? The momentum of an object is determined to be 7.2×10-3 kg⋅m/s. Express this quantity as provided or use any equivalent unit.
. This question asks about your work in your reading role. You may use your novel to help you answer the question. Think about the work you completed in your reading role. Determine the ideas that would be most worthy to share in a literary discussion
What is wrong with or ambiguous about the phrase "four molecules of NaCl" I really don't understand my textbook says in the back that it is an ionic compound so I guess that its not really a molecule then I don't understand...
Which of the following drives the free market economy? ○A. the needs and wants if people ○B. the supply of goods in the market ○C. the number of consumers in the market ○D. The gross domestic product I don't understand this question! I probably
Hi I tried to understand this but I don't know why the answer is B: Which one of the following pairs cannot be mixed together to form a buffer solution: A) NaC2H3O2, HCl B)RbOH, HBr C) NH3, NH4Cl D) H3PO4, KH2PO4 E) KOH, HF The answer is B but could you
I don't understand this question? What is the maximum amount in grams of SO3 that can be produced by the reaction 1.0 g of S with 1.0 g of O2 EQUATION: 2 S(s) +3 O2(g)--->2 SO3(g) The choices are: A) 3.8 B) 2.5 C) 0.27 D) 1.7 Shouldn't it be 2.0, or am I
. Is there any bias in the survey question? Explain. What do think would help students pay more attention in class? i don't understand what i am supposed to answer to this
surface area and volume
I really need some help, I don't fully understand. Exspecially with fractions, don't know how to enter them on calculator. 1. What is the approximate volume of the sphere? 524 m³ (my choice) 1,000 m³ 1,256 m³ 1,570 m³ 2. What is the approximate surface
In which aqueous system is PbI2 least soluble and why? [A] 0.5 M HI [B] 0.2 M HI [C] 0.8 M KI I understand that I- is the common ion. I don't understand why [C] 0.8 M KI is the correct answer.
Solve the exponential equation. Express the solution set in terms of natural logarithms. 4^(x + 4) = 5^(2x + 5)-This question I don't understand.