Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
1301	Find the Oxidation Numbers	4Al	$4 A l$
1302	Find the Oxidation Numbers	5Cr	$5 C r$
1303	Find the Oxidation Numbers	6(5+9)Ir_9	$6 (5 + 9) I r_{9}$
1304	Find the Oxidation Numbers	6CO	$6 C O$
1305	Find the Oxidation Numbers	CS_2O	$C S_{2} O$
1306	Find the Oxidation Numbers	8H_2O	$8 H_{2} O$
1307	Find the Oxidation Numbers	Ag	$A g$
1308	Find the Oxidation Numbers	Ag_2	$A g_{2}$
1309	Find the Number of Molecules	8.7g of CuSO_4*5H_2O	$8.7 g$ of $C u S O_{4} \cdot 5 H_{2} O$
1310	Find the Number of Molecules	865g of Pb(NO_3)_4	$865 g$ of $P b {(N O_{3})}_{4}$
1311	Find the Number of Molecules	865gPb(NO_3)_4 to molecules	$865 g P b {(N O_{3})}_{4}$ to molecules
1312	Find the Number of Molecules	how (many)(mg)(are) in (5.67kg)	how $(m a n y) (mg) (a r e)$ in $(5.67 kg)$
1313	Find the Number of Molecules	how (many)(mol)(of)(oxygen)(atoms)(are) ina (2.00g)(of)(SoCl(2zz))	how $(m a n y) (m o l e s) (o f) (o x y g e n) (a t o m s) (a r e)$ ina $(2 g) (o f) (S o C l (2 z z))$
1314	Find the Number of Molecules	how (much)(heat) in (kJ)(must)(be)(added)(to)(178g)(of)(water)(to)(increase)(the)(temperature)(of)(water)(by)*5.0(deg)(C)	how $(m u c h) (h e a t)$ in $(k i l o j o u l e s) (m u s t) (b e) (a d d e d) (t o) (178 g) (o f) (w a t e r) (t o) (i n c r e a s e) (t h e) (t e m p e r a t u r e) (o f) (w a t e r) (b y) \cdot 5 (d e g r e e s) (c e l s i u s)$
1315	Find the Number of Molecules	calculate (the)(energy) in (J)(required)(to)(heat)(9.25g)(of)(water)(from)(9.5c)(to)(66.8c)	calculate $(t h e) (e n e r g y)$ in $(j o u l e s) (r e q u i r e d) (t o) (h e a t) (9.25 g) (o f) (w a t e r) (f r o m) (9.5 c) (t o) (66.8 c)$
1316	Find the Number of Molecules	cuando (tienes)(50g)(de)C	cuando $(t i e n e s) (50 g) (d e) C$
1317	Find the Number of Molecules	if the(de(ns)ity)(of)(iron)(is)(exact(ly))(7.85g)mL(what)(volume)(wil)*10.4g(occupy)	if $(t h e) (d e n s i t y) (o f) (i r o n) (i s) (e x a c t l y) (7.85 g) (mL) (w h a t) (v o l u m e) (w i l) \cdot 10.4 g (o c cups y)$
1318	Find the Number of Molecules	doctor (orders)4(tablts)(for)10(day)(each)(tab)(is)(250mg)(how)(many)(oz)(are)(ivn)	doctor $(o r d e r s) \cdot 4 (t a b l t s) (f o r) \cdot 10 (d a y s) (e a c h) (t a b) (i s) (250 mg) (h o w) (m a n y) (oz) (a r e) (i v n)$
1319	Find the Number of Molecules	find (the)(normality)(of)(1.00L)(of)a(NaOH)(solution)(itht)(contai)s(18.2g)(of)(NaOH)	find $(t h e) (n o r m a l i t y) (o f) (1 L) (o f) a (N a O H) (s o l u t i o n) (i t h t) (c o n t a i) s (18.2 g) (o f) (N a O H)$
1320	Find the Number of Molecules	find (the)(number)(of)(mol)(of)(lithium)(sulfide) in (10.0g)(of)12.76%(bymass)	find $(t h e) (n u m b e r) (o f) (m o l e s) (o f) (l i t h i u m) (s u l f i d e)$ in $(10 g) (o f) 12.76 % (b y m a s s)$
1321	Find the Number of Molecules	heat (of)(solution)(of)(3.75g)(of)(NaOH)	heat $(o f) (s o l u t i o n) (o f) (3.75 g) (o f) (N a O H)$
1322	Find the Number of Molecules	How (much)(heat)(is)(needed)(to)(warm)(23g)(of)(water)(from)(30 degrees C)(to)(40 degrees C)	How $(μ c h) (h e a t) (i s) (n e e d e d) (t o) (w a r m) (23 g) (o f) (w a t e r) (f r o m) (30 ° C) (t o) (40 ° C)$
1323	Find the Density at STP	ClAr	$C l A r$
1324	Find the Density at STP	CLiBeScP	$C L i B e S c P$
1325	Find the Oxidation Numbers	(NH_4)_2SO_4	${(N H_{4})}_{2} S O_{4}$
1326	Find the Density at STP	Co_2O_3	$C o_{2} O_{3}$
1327	Find the Density at STP	copper (II)(nitrate)	copper $(I I) (n i t r a t e)$
1328	Find the Density at STP	CsF	$C s F$
1329	Find the Density at STP	Cu	$C u$
1330	Find the Density at STP	DbHf	$D b H f$
1331	Find the Density at STP	EsMo	$E s M o$
1332	Find the Density at STP	Fe(OH)_2	$F e {(O H)}_{2}$
1333	Find the Density at STP	Fe_2(SO_4)	$F e_{2} (S O_{4})$
1334	Find the Density at STP	Fe_2O_3	$F e_{2} O_{3}$
1335	Find the Density at STP	FePo_4	$F e P o_{4}$
1336	Find the Density at STP	FLi	$F L i$
1337	Find the Density at STP	Al_3Br	$A l_{3} B r$
1338	Find the Density at STP	AlBr_2Cl	$A l B r_{2} C l$
1339	Find the Density at STP	AlPO	$A l P O$
1340	Find the Density at STP	Ar	$A r$
1341	Find the Density at STP	Au	$A u$
1342	Find the Density at STP	Au_6	$A u_{6}$
1343	Find the Density at STP	BaO	$B a O$
1344	Find the Density at STP	CdS	$C d S$
1345	Find the Density at STP	CfMnGe	$C f M n G e$
1346	Find the Density at STP	CH_2O	$C H_{2} O$
1347	Find the Density at STP	CH_3CH_2CH_4CH_7	$C H_{3} C H_{2} C H_{4} C H_{7}$
1348	Find the Density at STP	CH_3COOH	$C H_{3} C O O H$
1349	Find the Density at STP	BeO_2	$B e O_{2}$
1350	Find the Density at STP	Br_2	$B r_{2}$
1351	Find the Density at STP	BrN	$B r N$
1352	Find the Density at STP	BrO_3 to make 0.0700Br_2	$B r O_{3}$ to make $0.07 B r_{2}$
1353	Find the Empirical Formula	cuantos (mililitros)(de)(agua)(hay)(en)*400g(de)(una)(solucion)(acuosa)a20%(en)(masa)	cuantos $(mi l i l i t r o s) (d e) (a g u a) (h a y) (e n) \cdot 400 g (d e) (u n a) (s o l u c i o n) (a c u o s a) a 20 % (e n) (m a s a)$
1354	Find the Empirical Formula	molarity of 11%C_6H_12O_6	molarity of $11 % C_{6} H_{12} O_{6}$
1355	Find the Density at STP	5.60CH_4	$5.6 C H_{4}$
1356	Find the Density at STP	55.6g , N_2	$55.6 g$ , $N_{2}$
1357	Find the Density at STP	55.6gN_2	$55.6 g N_{2}$
1358	Find the Density at STP	6.97 gAl	$6.97$ gAl
1359	Find the Density at STP	60l , O_2	$60 l$ , $O_{2}$
1360	Find the Oxidation Numbers	Tc_2	$T c_{2}$
1361	Find the Oxidation Numbers	Tc_65	$T c_{65}$
1362	Find the Oxidation Numbers	Tc_89	$T c_{89}$
1363	Find the Density at STP	C_2H_3O_2	$C_{2} H_{3} O_{2}$
1364	Find the Density at STP	C_4H_10	$C_{4} H_{10}$
1365	Find the Density at STP	C_4H_4O	$C_{4} H_{4} O$
1366	Find the Density at STP	C_6H_12O_6	$C_{6} H_{12} O_{6}$
1367	Find the Density at STP	C_12H_6O_8	$C_{12} H_{6} O_{8}$
1368	Find the Density at STP	C_22H_42O_2	$C_{22} H_{42} O_{2}$
1369	Find the Density at STP	C_2CI_2	$C_{2} C I_{2}$
1370	Find the Density at STP	C_2H_4n_6	$C_{2} H_{4} n_{6}$
1371	Find the Density at STP	C_2O	$C_{2} O$
1372	Find the Density at STP	C_4H_10S	$C_{4} H_{10} S$
1373	Find the Density at STP	C_5H_10	$C_{5} H_{10}$
1374	Find the Density at STP	C_9H_20	$C_{9} H_{20}$
1375	Find the Density at STP	Ca_2	$C a_{2}$
1376	Find the Density at STP	Ca_6W_8	$C a_{6} W_{8}$
1377	Find the Density at STP	CaSO_4	$C a S O_{4}$
1378	Find the Density at STP	CCC	$C C C$
1379	Find the Mass of 1 Mole	HRe	$H R e$
1380	Find the Mass of 1 Mole	LiLiZrMoMoTcRuPdAgNi	$L i L i Z r M o M o T c R u P d A g N i$
1381	Find the Density at STP	(NH_4)_2Cr_2O_7	${(N H_{4})}_{2} C r_{2} O_{7}$
1382	Find the Density at STP	(NH_4)_2SO_4	${(N H_{4})}_{2} S O_{4}$
1383	Find the Density at STP	(NH_4)_3Pn_4	${(N H_{4})}_{3} P n_{4}$
1384	Find the Density at STP	(S_8)	$(S_{8})$
1385	Find the Density at STP	0.13*(45Ba)	$0.13 \cdot (45 B a)$
1386	Find the Density at STP	Ag	$A g$
1387	Find the Density at STP	0 , 100molCH_4 gas at STP	$0$ , $100$ mol $C H_{4}$ gas at $S T P$
1388	Find the Density at STP	12WMd	$12 W M d$
1389	Find the Density at STP	2C_8H_18	$2 C_{8} H_{18}$
1390	Find the Density at STP	2H_2	$2 H_{2}$
1391	Find the Density at STP	HCl	$H C l$
1392	Find the Oxidation Numbers	Zn(C_2H_3O_2)_2	$Z n {(C_{2} H_{3} O_{2})}_{2}$
1393	Find the Oxidation Numbers	H_2PO_4	$H_{2} P O_{4}$
1394	Find the Oxidation Numbers	Zn_8	$Z n_{8}$
1395	Find the Oxidation Numbers	ZnCO_3	$Z n C O_{3}$
1396	Find the Oxidation Numbers	ZnCu	$Z n C u$
1397	Find the Oxidation Numbers	ZnSO_4	$Z n S O_{4}$
1398	Find the Oxidation Numbers	ZrSi	$Z r S i$
1399	Find the Mass of 1 Mole	Al_2S_3	$A l_{2} S_{3}$
1400	Find the Empirical Formula	hallar (el)3.75%*18	hallar $(e l) 3.75 % \cdot 18$